Mexico City fell to the United States Forces under the command of General Winfield Scott.
Answer: Electric - Light Bulb
Explanation: The most important invention changed the life of Americans is <em> Light Bulb of Thomas Edison. </em>
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The Immigration Act of 1924 was a US law that resulted in the development of a quota system for individuals trying to enter the US.
The US only allowed a certain number of immigrants from each country as a means to control immigration and the type of immigrants received. For example, there were only 165,000 immigrants total allowed in the US during the year. This included 51,227 allowed from Germany, 34,007 from Great Britain and Northern Ireland, and 5,982 from Poland. These are just a few examples of numbers for different countries.
Answer: Prevent health hazard for the Germans.
Explanation:
The reason for the crematoriums was that the large number of dead bodies in mass graves around the area became a health hazard for the Germans working there.