Answer:
War Communism was the name given to the economic system that existed in Russia from 1918 to 1921. War Communism was introduced by Lenin to combat the economic problems brought on by the civil war in Russia. It was a combination of emergency measures and socialist dogma.
The U.S did not join the League of Nations following WWI. Even the the President of the United States at that time, Woodrow Wilson, was enthusiastic about the organization, they didn't officially join it. The reason why they didn't join it was because of isolationists in congress, in other words, people that didn't agree with what other people are interested in. Because of the war and all of the fatal deaths of Americans, people didn't want the U.S to be affiliated with Europe in any way.
That is because Algeria had millions of French citizens on its soil. They wanted to keep a close eye on these people and needed to fight nationalists who wanted to get Algerian independence while often harming French people, so they decided to keep Algeria a colony in order to monitor these people and protect them.
The first president was C. George Washington.