Frankly, I think that the motives of the conquistador lies in their name. These men wanted to conquer "the other," that which was in front of them. They did not come in peaceful harmony. Their motives were to conquer and capture that which existed in their path to extolling their own glory, and that of nation in a secondary capacity. The Conquistador use of force through the military reveals that their motives were to control New lands and native populations.
He was facing the burning bush, and god spoke to him.
Answer:
The journey the tribes were forced to embark on was nothing short of a disaster. Poor weather, disease, disorganization and famine plagued the tribes traveling to their new land. During the winter on the trail it is said that the weather was unbearable cold, which caused many difficulties for the tribes.