Hello everyone 
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I was watching the new React: Intermediate Topics course but i saw something that not working properly and i can’t fix it. In the 3.Section of the course Routing with React Router, navigation bar does not work properly. First, i thought thats my mistake and i double check everything but i can’t find a solution or my mistake. Then i look Mosh’s code in this link react-course-part2-finish. So i see my code is the same and i clone the react-course-part2-finish project in my pc but results is the same. If anyone could fix this thing i will be happy .