diff --git a/country-explorer/package-lock.json b/country-explorer/package-lock.json
index 9a9f88a..c394623 100644
--- a/country-explorer/package-lock.json
+++ b/country-explorer/package-lock.json
@@ -8,6 +8,7 @@
       "name": "country-explorer",
       "version": "0.0.0",
       "dependencies": {
+        "@tanstack/react-query": "^5.102.8",
         "react": "^19.2.8",
         "react-dom": "^19.2.8"
       },
@@ -59,7 +60,6 @@
       "integrity": "sha512-RgHBCvtjbOK2gXSNBNIkNoEc9qoVEtau3hj8gEqKQuL3HZAibKarWFEI3Lfm6EYKkLalOh8eSrj9b+ch9H/VBA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.29.7",
         "@babel/generator": "^7.29.7",
@@ -833,6 +833,32 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@tanstack/query-core": {
+      "version": "5.102.8",
+      "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.102.8.tgz",
+      "integrity": "sha512-ZNjkJ33CqvPNec/6lZBnHqLc3EVGPZ9ySLhYahU9TcuRFdmwXewuj0c4hwSWcGHqEUwcSrKeZ+oGcvPBqXcQcg==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      }
+    },
+    "node_modules/@tanstack/react-query": {
+      "version": "5.102.8",
+      "resolved": "https://registry.npmjs.org/@tanstack/react-query/-/react-query-5.102.8.tgz",
+      "integrity": "sha512-TYBea4OuXWD7MhaSHq069TWbFe7rcwWN6kzT7JF0OKi1K6c1gTv2IzD6A6ExJsCMozdkqBWeuIUZmu4KQg0O5A==",
+      "license": "MIT",
+      "dependencies": {
+        "@tanstack/query-core": "5.102.8"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      },
+      "peerDependencies": {
+        "react": "^18 || ^19"
+      }
+    },
     "node_modules/@types/esrecurse": {
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/@types/esrecurse/-/esrecurse-4.3.1.tgz",
@@ -860,7 +886,6 @@
       "integrity": "sha512-YJ7EqCstVTzIr0fMr7qul/977en+pQHrfmuKIo6Zr9i75Be21dr3MovcfvGtyvi2HAUrRerWps5sMO9I7WaxDw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "undici-types": "~7.18.0"
       }
@@ -871,7 +896,6 @@
       "integrity": "sha512-N0rFCuH9YoxG9/m61l9MfpJKfmLOVU0em7ipIz6TRgSSkvReLB9vL85GB+yr8Bs5leqpvg96JSwF4ZS1s4viQg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "csstype": "^3.2.2"
       }
@@ -931,7 +955,6 @@
       "integrity": "sha512-zYvrmj9Yxd63UGaXw+kdt6A0F0s0qveJyuatIM77bYC2DE4pgmg7a50u8LR7PRtXd0x+h+Tl3eXabGm06SWd3Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.70.0",
         "@typescript-eslint/types": "8.70.0",
@@ -1166,7 +1189,6 @@
       "integrity": "sha512-lGq+9yr1/GuAWaVYIHRjvvySG5/4VfKIvC8EWxStPdcDh/Ka7FG3twP6v4d5BkravUilhIAsG4Qj83t02LWUPQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -1257,7 +1279,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.11.20",
         "caniuse-lite": "^1.0.30001810",
@@ -1407,7 +1428,6 @@
       "integrity": "sha512-NPXn6r5zl4uET1DAVPaOwzX3rut4c0wcmw3dWJAfOsTM5+TogXo0DDjz8pwm/hL8cyVNpHqeK4JpN0NjnyFFNw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "workspaces": [
         "packages/*"
       ],
@@ -1879,7 +1899,6 @@
       "integrity": "sha512-CYDD3SOtsHtyXeEORYRx2qBtpDJFjRTGXUtmNEMGyzYOKj1TE3tycdlho7kA1Ufx9OYWZzg52QFBGALTirzDSw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@keyv/serialize": "^1.1.1"
       }
@@ -2327,7 +2346,6 @@
       "integrity": "sha512-qcJu88Q2IWqJsDD529JKMdwGm/dvInW4HvQnRwiH9JtihJvzGOscDtHE3x1pBKeUOTysQ8kVmLnJ2kJu7yhcGA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -2425,7 +2443,6 @@
       "resolved": "https://registry.npmjs.org/react/-/react-19.3.0.tgz",
       "integrity": "sha512-E8LUcbtBWt20bbl2YoHfx4ZDBdxVTfOKtCZn9cDSJ4l6/nuoApcpIBcj47t2wZoVX8g2ZHuMHbiShgCR1T5Sog==",
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -2574,7 +2591,6 @@
       "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -2661,7 +2677,6 @@
       "integrity": "sha512-lhZBVvEHefgE+HQZC9O7EBJgCU/nVzFNl7vkS4RE0APtWLP02/8QVIkQtzBxPquh7lq5/78NHipTj7ODQ6XuyQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "lightningcss": "^1.33.0",
         "picomatch": "^4.0.7",
@@ -2786,7 +2801,6 @@
       "integrity": "sha512-341aRWQsve0rvronKNTqZpjmzdbUDlFuzHaI/XLg/Ej82qffDJRRfBTCuv7+9q/rMjB6LSLyEBnW4InJeMtt/Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
diff --git a/country-explorer/package.json b/country-explorer/package.json
index e36a244..08be843 100644
--- a/country-explorer/package.json
+++ b/country-explorer/package.json
@@ -13,6 +13,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@tanstack/react-query": "^5.102.8",
     "react": "^19.2.8",
     "react-dom": "^19.2.8"
   },
diff --git a/country-explorer/src/components/App.tsx b/country-explorer/src/components/App.tsx
index 0937f92..de1b0b2 100644
--- a/country-explorer/src/components/App.tsx
+++ b/country-explorer/src/components/App.tsx
@@ -4,6 +4,8 @@ import reactLogo from '../assets/react.svg';
 import viteLogo from '../assets/vite.svg';
 import './App.css';
 
+
+
 function App() {
   const [count, setCount] = useState(0);
 
diff --git a/country-explorer/src/lib/queryClient.ts b/country-explorer/src/lib/queryClient.ts
new file mode 100644
index 0000000..f2b7248
--- /dev/null
+++ b/country-explorer/src/lib/queryClient.ts
@@ -0,0 +1,13 @@
+import { QueryClient } from '@tanstack/react-query'
+
+export const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 5 * 60 * 1000,
+      refetchOnWindowFocus: false,
+      refetchOnMount: true,
+      refetchOnReconnect: true,
+      retry: 1,
+    },
+  },
+})
\ No newline at end of file
diff --git a/country-explorer/src/main.tsx b/country-explorer/src/main.tsx
index 358883e..4b09d63 100644
--- a/country-explorer/src/main.tsx
+++ b/country-explorer/src/main.tsx
@@ -1,10 +1,14 @@
-import { StrictMode } from 'react';
-import { createRoot } from 'react-dom/client';
-import './index.css';
-import App from './components/App.tsx';
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import { QueryClientProvider } from '@tanstack/react-query'
+import './index.css'
+import App from './components/App'
+import { queryClient } from './lib/queryClient'
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
-    <App />
+    <QueryClientProvider client={queryClient}>
+      <App />
+    </QueryClientProvider>
   </StrictMode>,
-);
+)
\ No newline at end of file