Final answer:
The Far West remained under the control of the United States, shaped by conflicts such as the Northwest Indian War, treaties like the Treaty of Greenville, and strategic considerations during the Civil War. U.S. government influence grew as territories were organized and later admitted as states, while Native American resistance ultimately failed to halt American expansion.
Step-by-step explanation:
In spite of many battles during the period of westward expansion and conflict in America, states in the Far West remained under the control of the United States. After significant events such as the Northwest Indian War and various treaties like the Treaty of Greenville, the U.S. solidified its dominion over lands in the west, including territories such as Ohio. Over time, the U.S. government continued to assert control, and territories were eventually admitted as states with the growth being partly driven by mining, ranching, and the desire for stable settlements.
The Civil War also played a role in the control over western territories. The Indian Territory, which was an unorganized territory at the time, became a strategic area during the conflict. Post-Civil War, control over regions like this continued to be of importance as the U.S. sought to extract natural resources and promote growth. Despite fierce Native American resistance in regions like the Plains and the Southwest, led by prominent leaders like Red Cloud and Crazy Horse, American expansion continued unabated into these areas.