The American nation began to expand west during the middle eighteen hundreds. People settled in the great open areas of the Dakotas, Utah, Wyoming, and California. The movement forced the nation to deal with great tribes of native American Indians. The Indians had lived in the western territories for hundreds of years
Answer:
its usually because the brainly company thing decided to delete your question or sometimes they are just bots
Explanation:
The correct answer is OURS.
The construction our's doesn't exist.
It would take 1,000 ants to make it across because 1m = 1000cm