React Js Show Hide Div Based on Dropdown Selection

<!DOCTYPE html>
<html>

<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState } = React;

const App = () => {
      const [selectedCountry, setSelectedCountry] = useState(''); // State to track the selected country

// Event handler to update the selectedCountry state when dropdown selection changes
      const handleDropdownChange = (event) => {
        const selectedValue = event.target.value;
        setSelectedCountry(selectedValue);
      };

return (
        <div className='container'>
          <h3>React js show hide div based on dropdown selection</h3>
          <select onChange={handleDropdownChange}>
            <option value="">Select a country</option>
            <option value="United States">United States</option>
            <option value="Canada">Canada</option>
            <option value="United Kingdom">United Kingdom</option>
            {/* Add more countries as needed */}
          </select>

{/* Div to display country information */}
          {selectedCountry === 'United States' && (
            <div>
              <h3>United States</h3>
              <p>
                The United States of America is a country primarily located in North America.
              </p>
            </div>
          )}

{selectedCountry === 'Canada' && (
            <div>
              <h3>Canada</h3>
              <p>
                Canada is a country in the northern part of North America.
              </p>
            </div>
          )}

{selectedCountry === 'United Kingdom' && (
            <div>
              <h3>United Kingdom</h3>
              <p>
                The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK).
              </p>
            </div>
          )}

{/* Add more div blocks for other countries as needed */}
        </div>
      );

}

ReactDOM.render(<App />, document.getElementById('app'));
  </script>
  <style>
    /* Styles for the container and button */
    .container {
      max-width: 500px;
      margin: 0 auto;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

/* Styling for the select element */
    .container select {
      width: 100%;
      padding: 10px;
      margin-bottom: 10px;
      border: 1px solid #ccc;
      border-radius: 4px;
      font-size: 16px;
      outline: none;
    }

/* Styling for the option elements */
    .container option {
      font-size: 16px;
    }
    button {
      background-color: #007bff;
      color: #fff;
      border: none;
      padding: 10px 20px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 16px;
      transition: background-color 0.3s ease;
    }

/* Hover effect for the button */
    button:hover {
      background-color: #0056b3;
    }
  </style>
</body>

</html>