Which political party felt that the "missouri question" violated the principles of the northwest ordinance?

Congress - In the year 1820, the Missouri Compromise was passed, which declared Missouri as a slave state and Maine as a free state. This was  intended as a measure to ease the tension between slave and free states, so that there was a good balance between the two kinds of states. However,  the norther states were angered as they believed it was  in conflict with the norther ordinance.

The conquering of most or all of present day Peru. (Pachacuti). They had the early form of brain surgery.

Explanation:

These are some achievements I remember.