The correct answer is - a. Hunting-Gathering.
The Native Americans (Koso, Shoshoni, Ute, Panamit, Paiute, Walapi, Washoe tribes) that lived on the territory of present day Nevada were mainly reliant on hunting and gathering for their survival. This was due to the geography and climate of the state of the area. Consisted of semi-arid mountains, deserts, and the Colorado River Canyon it was not a place were agriculture can be developed, so the people living in here continued to practice the old ways of finding food.
The United States went to war against the Mexicans, the war was called Spanish Guerra de 1847 or Mexican-American War. The war lasted a few years, from April 1846 through February 1848
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Jacques Cartier is that French explorer. Cartier sailed on April 20, 1534, with two ships and 61 men, and arrived 20 days later. He explored the west coast of Newfoundland, discovered Prince Edward Island and sailed through the Gulf of St. Lawrence, past Anticosti Island.