Used to encourage western migration is applies to the Homestead Act of 1862.
Answer: Option A
Step-by-step explanation:
The homestead act that was passed in the United States by the congress in the year 1862 was a very significant act which was passed to increase the migration of people to the western part of the United States.
The attraction to move to the western part was the offering of huge piece of land of up-to 160 acres of land which was free to the people to be claimed but only those who had never borne arms against the government of the United States.