I am fairly certain that the answer is going to be D. The influx of Europeans drove them from their lands.
The only answer that comes even remotely close to being correct other than D. is going to be C, but most Native Americans did not willingly convert to Christianity.
I hope this helps!
Explanation:
He first gained national attention when he led small groups of volunteers during the Bleeding Kansas crisis of 1856
Answer is rent controls
And price control that limits the amount a property owner can charge for property. This prevents the price from being hiked from the predetermined percentage.