Explanation:
Because a modern society is one with rapid and easy communication and travel. In a world with rapid and easy travel and powerful weapons technology the result of inequality, injustice and exclusion will be genocidal war and extinction. This can occur on the global scale or the national/regional scale. There are no options.
The americans didn't like the policies because they were just using all of the american's hard work for their own personal gain and that lead to rebellion
I believe it was the goal of the Isolationist because they were an anti-war group.
