A- is your correct answer
The correct answer is immigration.
Immigration in the US has a mixed past. Even though America has been viewed as a land of freedom and economic opportunity, there have been some laws in the past that have greatly affected immigrants. One of them is the Immigration Act of 1924. This severely limited the amount of immigrants allowed from one country.
Along with this, immigrants during the early 20th century often had to pass tests or physical exams in order to enter the US. This was especially true at Angel Island. At this site immigrants had to perform physical activities.Sometimes, these activities were done in a group setting where the immigrants were forced to be naked.
Option C, Emperor Zhu Di build such large ships, and so many of them because he wanted to show other nations that China was a very powerful and successful country
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<u>Explanation:
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From 1405 to 1433, royal Chinese pretender Zheng undertook seven unparalleled ocean voyages to the Emperor of the Ming.
Throughout the Mongol Yuan dynasty, the continuation of the Ming Dynasty was the legacy of vast shipyards, numerous professional shipyard staff and sleek military technologies from the previous dynasty. The Mongol period promoted commerce and maritime exchange.
Since the emperor of Yongle wants to impress Ming's dominance on the universe and demonstrate China's wealth and value, he requested that ships be made much bigger than they needed for the trips.
