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.
The law helped unify the Muslim society because the law states that everyone on this earth is equal, and that behavior and how you treat others plays a huge role on how they unite. The Muslims pray together, break fast together, and work together. That is what made the Muslim society strong and held it from breaking apart. <span />
Your answer is:
weak rulers known as "do-nothing-kings"
Hope this helps!!
(Brainliest)
Americans did not want to be taxed by those they did not elect. "no taxation without representation".