About 3-4 million years ago
The correct answer is B) Quota System.
A Quota System is a law that puts a specific limit on how many immigrants can come to a country. The US implemented this type of limit with the Immigration Act of 1924, setting a specific maximum number of immigrants allowed depending on the country.
All of the other option choices were different procedures and loopholes that people had to go through to enter the US at Ellis and Angel Island. This only stopped a small percentage of people from entering the US.
D. Laissez faire
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Answer: The Bill of Rights is the name given to the first 10 amendments to the US Constitution. The Bill of Rights consists of guarantees of civil liberties and checks on state power; it was added in order to convince states to ratify the Constitution
Explanation: Hope this helps :)
Answer:
1. Germany resumed unrestricted submarine warfare
2. The Zimmermann Telegram revealed a German attempt to gain Mexico as an ally against the United States
3. Renewed attacks on American shipping
Explanation:
