What does the government need to a power

Why did roosevelt support a europe first strategy even though it had been japan that had first attacked the us

After early colonial losses to the british in new york, a.general washington withdrew his troops to pennsylvania. b.the colonies ratified the declaration of independence. c.the continental army set up headquarters at fort lee. d.general washington set up headquarters in new jersey.

Why do you think african americans became so involved in the war effort?