Answer:
Identity.
Work, Exchange and Technology.
Peopling.
Politics and Power.
America in the World.
Environment and Geography: Human and Physical.
Ideas, Beliefs and Culture.
Explanation:
Roundheads were Parliamentary/Puritan soldiers who wore tight fitting un-orimented metal helmets, while Cavaliers were kings men who wore large hats with feathers as their uniform headdress.
Some differences between the round-heads and the cavaliers are that the cavaliers supported the King and the round-heads supported Parliament.
True the US joined in 1945 after the bombing of pearl harbour
A. Hope this helps you with ur school!