The U.S. joined its allies--Britain, France, and Russia--to fight in World War I.
I know the first effect is “The Ming emperor suddenly halted further construction of ships”
Answer:
Imperialism was a cause because building an empire needs manpower such as an army and a navy to conquer and keep the land that they colonised. The alliances system meant that a local conflict could easily result into an intimidating global one.
Explanation:
The answer is B. Deciding how many house seat are needed according to population