A. The recession worsens into a depression because more people are becoming unemployed and without a job.
Answer:
The Tammany Society emerged as the center for Democratic-Republican Party politics in the city in the early 19th century. After 1854, the Society expanded its political control even further by earning the loyalty of the city's rapidly expanding immigrant community, which functioned as its base of political capital.
Slavery was implicitly recognised in the original Constitution in provisions such as Article I, Section 2, Clause 3, commonly known as the Three-Fifths Compromise, which provided that three-fifths of each state's enslaved population (“other persons”) was to be added to its free population for the purposes of apportioning seats in the United States House of Representatives and direct taxes among the states.
The correct answer is: Mendel developed his laws of heredity.
The publication in 1866 of the laws formulated by Mendel on<em> the heredity of characters in sexual reproduction </em>was contemporaneous with the evolutionary hypothesis developed by Darwin in his book <em>On the origin of species by means of natural selection </em>in 1859.