Answer:
I think D and B is the correct answers.
Answer:
I believe the United States
Explanation:
Because the United States had better technology and programming at the time
Starting in the mid 1800s, hoards of people traveled to the west out of desire to find land, and there was offered land under the Homestead Act. This was a series of acts that was passed in the year 1862 and it offered 160 acres of land to the settlers. I hope the answer helps you.
Defeated empires in the New World for Spain.
Prepare for potential Nuclear war during the cold war