I’m not sure, but this should help you a little bit.
“The Immigration and Nationality Services of Act of 1965 was a turning point in United States policy regarding immigration. While changing previous legislation that functioned on a rigid quota system, the Act of 1965 gave preference to refugees and families, removed quotas from countries in the Western Hemisphere, and based entry to the United States on levels of skill. In forty years since, the foreign-born population of the United States has tripled in number, now prompting new legislative debate.”
In 1871 two new major states of Europe had been formed—the German Empire and the kingdom of Italy. The new German Empire, under the hand of Otto von Bismarck<span>, was steered carefully, always with an eye upon France, for the Franco-Prussian War (1870–71) had left France thirsting for revenge and for recovery of the lost provinces of Alsace and Lorraine.</span>
C. Alcohol consumption decreased but did not entirely stop
because, even though alcohol was banned people still sold alcohol in what we call speakeasies sold illegal alcohol
The Bureau of Indian Affairs is the answer