The correct answer is France. They wanted to weaken Britain who was a major force in Europe and they also had good relations with British colonies so they decided to help hoping that one day when the war is over the colonies would work together with France and trade and things like that.
The answer is D. Since workers could focus on one specific task, they could focus on doing that task to the best of their ability. This allows them to do that as efficiently as possible, which speeds up the process of production.
Option A would not be true because he never served a second term. He was elected one month before the civil war started.
One of the resources is crude oil