Well I see no documents but I can tell you Americans wanted to expand westward they even created a thing called "Manifest Destiny"
The European system of Manorialism is most closely associated with maintaining economic self sufficiency. Manorialism is actually considered a very essential element of the feudal system and society. It is also considered as the organizing principle of most rural economy. I hope this comes to your help.
Answer:
1. People were poor and had hard lives.
People did not like the government and were tired of WW1
2. Alliances among European nations.
D BECAUSE great britian had time to get ready because they new it was coming so they had time.
What did they help with? Can you elaborate further