Answer:
A.It banned the practice of slavery
Answer:
Explanation:
Progressivism in the United States is a political philosophy and reform movement that reached its height early in the 20th century. ... Historian Alonzo Hamby describes American progressivism as a "political movement that addresses ideas, impulses, and issues stemming from modernization of American society.
The Revolutionary War with Britain after British colonists were already in the US, sent by the British. Basically, they were being taxed on things like Molasses and Tea. They didn't want taxation from a country in which they had no representation in government. This was the reason for the Boston Tea Party. Then of course they formed their own independent country once they were free from Britain. Just a basic answer, I forgot a lot of US history.
Domino Theory is your answer.
Germany lost because of it's allies