World war i started in 1914, but the united states did not join until 1917. explain why the united states finally decided to join the war on the side of allies.

The reason the US decided to join the war was because of the Germans and there decision to continue the policy of unrestricted submarine warfare.

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.

where is the map at?