The correct answer is letter B.
Explanation: The arrival of the Genoese navigator in America provides natives of the New Continent or contact with a plethora of microorganisms that were not known to them. The most striking example was a variable, which was nonexistent on the American continent and was brought with Europeans. The result was the extermination of the American population through disease rather than wars. Ignorance of the causes of diseases caused by indigenous people does not isolate patients, thus avoiding the contagion of other inhabitants of a village. Since they did not know that microorganisms were also transmitted by air, when a village was infected, a disease spread, leading some of the inhabitants to seek refuge in another village, spreading as diseases and as deaths.
He formed standard oil in 1870 it was so complete the opponets labeled it the Cleveland Massacre
Many Americans were critical of the Korean War because they felt that the conflict was not relevant to American geo-political interests and that the war would result in unnecessary American bloodshed. Many Americans were still haunted by memories of World War II and were reluctant to engage American troops in another war, especially one that was less clear cut in terms of its importance. Furthermore, given the Soviet interest in North Korea, and America's support for South Korean, many Americans feared that the Korean War might lead directly to World War III.
Answer:
Virtues such as order and respect began to decline.