Identify the key aspects of The Missouri Compromise (what does it include). This should include congress, states, future states, and of course slavery.

This compromise was thought of by "The Great Compromiser" or Henry Clay. Ok, so Maine split from Massachusetts and they wanted to apply for statehood. Missouri also wanted to apply for statehood, but they were questioning whether Missouri should become a free or slave state. The settlers who moved to Missouri practiced slavery, and when applying for statehood, they wanted to become a slave state. James Tallmadge disagreed with this philosophy, and he said Missouri can become state unless if they get rid of slavery there and become a slave state. Henry Clay proposed the Missouri Compromise in 1820, which says that Maine will become a free state and Missouri will become a slave state. In addition, anything below the 36 degree 30'N latitude line will allow slavery and anything to the north will be a free state. There was already a balance between slave and free states before the Missouri Compromise, but this compromise still kept that balance. Congress passed the Missouri Compromise in 1820. Future states Missouri and Maine joined the Union. Now, Missouri and Maine joined the Union as states.

Explanation:

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chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.

it should be d or b but i'm sure it's d