The answer is form a hypothesis.
Okay, I can't speak for sure for the Spanish one but it is probably because they were looking for gold and timber. The French question I believe has to do with the trading of fur. Then I think that the <span>Wichita Indians lived in Twin Villages and it was located along the Red River.</span>
I believe 3 is the answer, because I think the U.S bought a part of Mexico.
Answer:
John Locke's support for the principle of popular sovereignty.