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Answer:
D. The introduction of the slave trade to the Atlantic World.
Explanation:
Source 1 presents the beginning of the African slave trade, also known as the transatlantic trade, which allowed that during 1450 to 1750 a large number of African slaves were bought at very low prices and transported to different parts of the world, mainly to the American continent, to be part of the workforce of the farms in European colonies spread across the continent. Most of these slaves came from West Africa and were sold by other Africans, but it was common for Europeans to sail to Africa and capture slaves with their own hands to be sold on the American continent, which was more profitable for the sellers.
An event that brought the nation together was the Missouri compromise. This compromise worked for about 30 years. This event made Missouri a slave state and Maine a free state. It also made the idea of 36 30. Anything above is free and anything below is slave. Except for Missouri witch was above. Until the Kansas- Nebraska act witch made the Missouri compromise unconstitutional. <span>The Kansas- Nebraska act pulled the nation apart. This act made the the Missouri compromise unconstitutional and made it so the people could choose whether or not a state was slave. This basically started a land grab of who gets the most land. The South wanted Nebraska and Kansas because it was perfect for cotton. The North wanted the land so the south wouldn't get it.</span>
As new magma cools and new rock is created the plates move farther and farther apart. But on the other end of the plate the plate subduction under the other plate making fresh magma and starting the cycle a new. The earth doesn’t increase in size due to the law of conservation of mass.
They make sure its not bad or discriminating
