Answer:
Its the second one and the last one
Explanation:
It’s really not that hard I guessed
The anwser is Kansas. It was called the Pottawatomie massacre.
The one that declared organized resistance by southern states that would prevent racial integration in the south is : Senator Harry F. Bryd
This events was commonly known as the massive resistance, when senator harry unite all white politicians in the state to do a massive campaign about the cause
Hope this helps