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!
Humble leaders use their expertise, experience and knowledge to bring together people to increase revenue, improve production or efficiency and return to the community. Leaders who are modest use their successes for the common good than for self-extension.
Under the Articles of Confederation, Congress was unable to improve the economy because it did not have the power to tax the states. This meant it was practically impossible for the United States to repay its war debts.