A lot of people came to the West to find gold to the point that the population rose dramatically and allowed territories to apply for statehood. Hope this can help :-D
The reason why people risk their lives to fight against the world's super power was because of the reason that they want to have their freedom and to be able to get and achieve the rights in which they think that they truly deserves.
Answer:
The US government is based on ideas of limited government, including natural rights, popular sovereignty, republicanism, and social contract.
HOPE IT WILL HELP U!