It started with the Chinese Exclusion Act of 1882, but 10 years later it then came to the US opening Ellis Island in which immigrates had spent time before being able to actually enter the US.
Answer:
C. European diseases killed many people.
Explanation:
The Natives were not immune to diseases that the outsiders brought in to their country, which led to them dying in large amount of numbers.
Answer:
taking ft/ siege of boston
Explanation