What permitted bands of original Americans to make their way southward and eastward across the Americas, eventually reaching the far tip of South America thousands of years before the first Europeans arrived in the Americas?
a. the onset of an Ice Age in the Americas 10,000 years ago.
b. the same climatic warming in the Americas that melted the ice and drowned the bridge to Eurasia about 10,000 years ago
c. the introduction of horses and covered wagons into the Americas 10,000 years ago.
d. the development of cartography by these original Americans
e. none of these
Question 2
Which of the following events prompted the Mormons to abandon their settlement at Nauvoo, Illinois and set out West to the valley of the Great Salt Lake?
a. Continuing vicious hostility by non-Mormon Americans including the murder of Mormon leader Joseph Smith and his brother
b. A vision by the Mormon angel Moroni to Brigham Young of a peaceful, bountiful, and safe refuge in the valley of the Great Salt Lake
c. The expectation that a lush, easily arable western enviornment awaited the Mormons in present-day Utah, which would not require or expensive and technologically sophisticated irrigation to grow crops
d. A generous land grant by the federal government
e. All of these choices are correct.