Answer:
C. American Indians agreed to leave their lands without a struggle
Step-by-step explanation:
In the history of the United States of America, there has been series of conflict between the indigenious American indians and the white settlers over the land and resources found in there country. This cummulated to the war that happened in 1812 where the american indians lost to the white settles.
The white settlers expansion to the west was as a result of the reduction of the conflict with American indians which they settle through treaty. In this treaty, there was agreement to sell or exchange lands between the American indians and them.
Option C is never part of the reason why the white settler expanded into west which was the territory occupied by American Indians.