Which of the following statements explains the political cartoon's message about immigration in the early 1920's?

The right answer is A: Governmental laws, supported by Nativists, limited the number of immigrants coming into the US. This political cartoon, which appeared in The Literary Digest in 1921, shows a funnel extended across the Atlantic Ocean, with its wide opening in the European side, overflowed with emigrants, and its small opening in the American side, where Uncle Sam, holding a tag that reads "gate" with a "3%" tag attached to it, is allowing just a few of them to enter the country. The imagery, as well as the title of the cartoon ("The Only Way to Handle It"), are a direct reference to the Emergency Quota Act of 1921, which limited the annual number of immigrants admitted into the United States from any country to 3% of the number of residents from those countries that were already living in the U.S. as per the census of 1910.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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