Answer: Researchers estimate that there were 15 million to 20 million American Indians in the territory that would become the United States at the time of first contact with European explorers in the 15th century.
Explanation:
Answer: A shorter work week
Explanation:
The main purpose of labor unions is to give workers the power to negotiate for more favorable working conditions and other benefits through collective bargaining
Your answer is C Europe because of the pilgrims that made the 12 colinies.