```jsx
import React from 'react';
import { BrowserRouter, Route, Switch } from 'react-router-dom';
import './App.css';
import Dashboard from '../Dashboard/Dashboard';
import Login from '../Login/Login';
import Preferences from '../Preferences/Preferences';

function App() {

  return (
    <div className="wrapper">
      <h1>Application</h1>
      <BrowserRouter>
        <Switch>
          <Route path="/dashboard">
            <Dashboard />
          </Route>
          <Route path="/preferences">
            <Preferences />
          </Route>
        </Switch>
      </BrowserRouter>
    </div>
  );
}

export default App;
```
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