Answer:
European diseases of which Native Americans had little to no immunityExplanation: Can you please mark as brainliest
From Europeans because the Europeans brought slaves from Africa to sell to America
Answer:
Manifest Destiny
Explanation:
there are no options but Manifest destiny was the thought that Americans were meant to expand westward, so many did in the 1800s
Workers had gained better working conditions this is what the Gompers see as the benefit of joining a union. A union is an action of uniting of joined and it is also an organized association formed to protect their rights and interest.