During the 1800s, nativists promoted the idea that immigrants contributed to unemployment by competing for jobs that they believed should go to people born in America..
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The Maginot Line was the primary defense for the French during World War 2.
Answer:
"A desire to reform the U.S. also arose out of the Second Great Awakening. The U.S. temperance and abolitionist movements were both greatly influenced by the revival movement and its messages. Additionally, women's involvement in the revival provided support for the women's rights movement."
Explanation:
The answer that fits the blank provided above is PACIFIC OCEAN. It is around the Pacific ocean that the tsunami warning system provides protection along its coastal areas. This tsunami warning system is found in the Ford Island and initiates warnings to those areas along the said ocean.