In the early 20th century and late 1900s; A complicated piece of legislation, it essentially gave preference to immigrants from Central, Northern and Western Europe, severely limiting the numbers from Russia and Southern Europe, and declared all potential immigrants from Asia unworthy of entry into the United States.
I hope this helped ://
I belive the answer is b. <span>the negative consequence an element has for the stability of the social system.
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The Truth Commission if thats what ur asking...
It boosted the economy by 37% and because of all the money flowing into the economy the average american family got 30% more buying power and the unemployment rate dropped to an all time low of 4.5%.