How did john c. fremont the americans to migrate westward and eventually wrest control of the land from mexico.

John C. Fremont helped the Americans to migrate westward by helping in the surveying and mapping of the Mississippi and Missouri rivers. He also led in the exploration and expansion westward. He also led a Battalion that mostly comprised American volunteers and wrested control of California from Mexico

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions

answer; (c) slaves brought to the americans from africa;