1) What is the difference between aid, a treaty, and an alliance?
An aid assists during a war, a treaty is an agreement, and an alliance is when two or more countries fight together to achieve their goal.
2) Why isn't the United States a part of the diagram above?
The United States isn't a part of the diagram because they didn't enter the war until 1917, only 2 years before the end of the war. They entered because they allied with Britain, France, and Russia.
3) Does the United States become a part of the diagram? If so,
when and why?
They entered in 1917 because they allied with Britain, France, and Russia.
An aid assists during a war, a treaty is an agreement, and an alliance is when two or more countries fight together to achieve their goal.
2) Why isn't the United States a part of the diagram above?
The United States isn't a part of the diagram because they didn't enter the war until 1917, only 2 years before the end of the war. They entered because they allied with Britain, France, and Russia.
3) Does the United States become a part of the diagram? If so,
when and why?
They entered in 1917 because they allied with Britain, France, and Russia.