Because you want to make sure that u have some sort of stability and that u won’t be helpless after you move out
It provided the philosophical underpinnings that is reflected in the Declaration of Independence.
A similarity between the separation of powers, the system of checks and balances, and federalism is that they all are meant to keep the federal government from becoming too powerful and tyrannical.
The Open Door Notes - sent by U.S. Secretary of State John Hay in 1899 to open up Chinese ports to American merchants. European powers had "spheres of influence" in different port cities throughout China, and the United States wanted access to China's markets.