Answer: announce officially or publicly
Responding to xenophobic concerns, congress passed an emergency law restricting immigration in 1921. Among other provisions, the act established .a quota for nationalities on the basis of their numbers in the US in 1910,
The quota that enacted limit a specific race from entering the united states within that period
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The correct answer is:
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C. To appeal to the dissatisfied, multi-ethnic population of the Soviet Union.
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Gorbachev was not trying "to establish his dominance," as the other answer here had suggested. When Gorbachev came into leadership in the USSR, the Soviet economy was struggling and there were dissidents across the spectrum of the country who called out for reforms and changes.
In 1985, Mikhail Gorbachev proposed policies of perestroika (restructuring) and glasnost (openness) in the Soviet Union. Perestroika meant allowing some measure of private enterprise in the Soviet Union. Glasnost meant allowing a bit of freedom in regard to speech and publication.
Battle of Britain, during World War II, the successful defense of Great Britain against unremitting and destructive air raids conducted by the German air force (Luftwaffe) from July through September 1940, after the fall of France. Victory for the Luftwaffe in the air battle would have exposed Great Britain to invasion by the German army, which was then in control of the ports of France only a few miles away across the English Channel. In the event, the battle was won by the Royal Air Force (RAF) Fighter Command, whose victory not only blocked the possibility of invasion but also created the conditions for Great Britain’s survival, for the extension of the war, and for the eventual defeat of Nazi Germany.