The answer is B . Silicone Rubber . Hope this helps (:
Answer:
The case has yo be decided first and in The Supreme Court
The National Origins Act of 1924 aimed to regulate both the amount and quality of immigrants to the United States in an effort to stop further eroding of the ethnic composition of American society.
The 1924 Immigration Act, which was a legislative expression of the xenophobia that swept through America throughout the 1920s, especially with regard to immigrants from eastern and southern Europe, was passed by the House on this day in 1924. The first total numerical immigration quota, which applied to almost 350,000 persons in 1921, was eventually reduced to 165,000 in 1924. The 1924 statute established annual limits for each country based on the number of foreign-born Americans from each European country who resided in the United States in 1890. While severely restricting immigration from southern and eastern Europe and outright banning it from nearly all of Asia, Congress devised an extraordinarily tight system of ethnic quotas in 1924, which effectively ended mass immigration for decades.
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