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Most isolationists felt that there was no need for americans to feel threatened by developments in Europe and Asia because the vast pacific and atlantic oceans insulated the country from troubles in those regions, and the United States had formed friendly alliances with all the other nations in the Western hemisphere.
Answer:
Its economic trouble affected almost all Americans
Explanation:
Annexing a territory with no plans for statehood was unprecedented and unconstitutional. Second, they believed that to occupy and govern a foreign people without their consent violated the ideals of the Declaration of Independence.
The Standard Oil company.