Also known as the ‘Alaskan Highway’ the Alcan was built during WW2. It was built to connect the us territory to the us through Canada. It was paved through incase there was an urgent need to get from one place to another through Military accompaniment. Now its a tourist destination.
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I would say the last one because it authorized the president to take measures to promote peace and security in Asia
I believe that was B. Marcus Garvey.
The "Back to Africa" movement was created in order to inspire black people to return to their roots and their original African culture. Garvey believed that black people had a lot of difficulties in a foreign country so he wanted them to be free and feel safe at home.