The answer is professional people, artistions, and farmers. Hoped this helped!
The right answer is the third one: the bubonic plague originated in the Gobi Desert, part of the then Mongol Empire, around 1320. It then propagated to China and subsequently to India, Europe and Russia. The disease spread via trade routes mainly as a result of a poor hygiene. It never reached the American continent or Sub-Saharan Africa.
Economic boom refers to the expansion and peak phase of a business cycle. Economic activities increases in the sectors of gross domestic product, productivity and income. The post World war II economic expansion, the long boom, and the Golden Age of capitalism, was a period of strong economic growth beginning after the second world war and ending with the recession of 1973 - 1975. In this case, the Taft-Hartely act did not contribute to the economic boom. Taft Hartley act was a federal law that restricted the activities and powers of labor unions.
I think that the first one is correct.
