C. Troubadours were singing musicians.
Since the crash, Hoover had worked ceaselessly trying to fix the economy. He founded government agencies, encouraged labor harmony, supported local aid for public works, fostered cooperation between government and business in order to stabilize prices, and struggled to balance the budget.
The becoming of Great Britain by England led to the idea of colonization. It colonised and traded colonies. Parliament taxed the colonies to boost itself and was coordinated by the governor. The expansion of Great Britain resulted into re.b.e.l.l.i.o.n. by the colonists.
<h3>What is main idea?</h3>
The main idea is the central, or most important, idea in a paragraph or passage. A main idea hughlights the purpose and sets the direction of the paragraph or excerpt. The main idea may be highliggted or it may be inferred. When the main idea of a paragraph is highlighted, it is most often found in the first sentence. It is worthy of note that, the main idea could be at paragraph initial, medial it final.
Therefore, the correct answer is as given above
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New York City
Tuesday, September 5th, 1882 in accordance with the plans of the Central Labor Union.