Question

why did the government pass the missouri compromise? to solve the border dispute between missouri and kansas to maintain an equal number of slave and free states to make peace with native american nations in the missouri territory to keep the same number of representatives in the house

Explanation:

The Missouri Compromise was passed to maintain a balance between slave and free states in the Senate. The key goal was to have an equal number of slave and free states to preserve the political balance. The other options are incorrect: the border dispute between Missouri and Kansas was later (Bleeding Kansas), Native American relations weren't the focus, and the House representation wasn't the main aim (it was about Senate balance).

Answer:

to maintain an equal number of slave and free states