How did technology affect wwi? what were new weapons of wwi? ?

Which law banned slavery anywhere in the united states or it’s jurisdiction

France allied itself with america because a -the american rebels had modeled their movement after the french revolution b- france wanted to weaken britain c- france wanted to wanted to regain louisiana d- the french needed american support in their war with the native americans

On the map above, the areas in light yellow (letter a) have what type of climate? a. semiarid b. arid c. mediterranean d. humid subtropical