I would go with True because any historian needs a lot of patience to get what they want or to learn about something etc..
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With the firing on Fort Sumter, the American Civil War was officially upon both the North and the South. A war that lasted four years and cost the lives of more than 620,000 Americans and freed 3.9 million people from the bondage of slavery.
Answer: I'm pretty sure its the 14th amendment To The United States Constitution.
Other nations observe the success of American democracy and institute a similar one.
Interchangeable parts were first used by Eli Whitney in the cotton gin in 1798
