Why did the us enter ww1 why did the united states enter world war i?

Sole i will mark brainlist to who answer

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

The source of wealth for the city-states of the east african coast was trade between the interior of africa and the far east. true false