Answer:In the end, Texas was admitted to the United States a slave state. The annexation of Texas contributed to the coming of the Mexican-American War (1846-1848). The conflict started, in part, over a disagreement about which river was Mexico's true northern border: the Nueces or the Rio Grande.
Explanation:
C and D are the best answers out of the bunch
Athenian democracy developed around the 6th century BC in the Greek city-state (known as a polis)
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Wilhelm Wundt was considered the father of psychology.
Wilhelm Wundt was a German physician, professor, philosopher, and physiologist. He died August 31, 1920.
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Without the use of machinery many Americans will be employed to do various jobs. Their unemployment rate during that time will decrease. Another consideration is that there is a need for expertise in handling heavy machinery. One must be learned enough not only to drive heavy machinery but also to operate it and maintain its good condition.