3. The Middle Ages refers to A. The dark period of time between Egypt and Mesopotamia
B. The period in Europe that saw the Black Death
C. The era of cathedral building
D. Both B and C

D. Both B and D

Explanation:

The 'Middle Ages' are called this because it is the time between the fall of Imperial Rome and the beginning of the Early modern Europe. The Dark Ages are given this name because Europe was in disarray in comparison to the orderliness of classical antiquity and life was short and poor.

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lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.