Answer:
Explana1 million years ago
The oldest unequivocal evidence, found at Israel's Qesem Cave, dates back 300,000 to 400,000 years, associating the earliest control of fire with Homo sapiens and Neanderthals. Now, however, an international team of archaeologists has unearthed what appear to be traces of campfires that flickered 1 million years ago.
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The correct answer is B) the U.S. bombing of North Vietnam had been ineffective.
<em>Robert McNamara´s change in policy regarding the war was influenced by a defense study that found that the U.S. bombing of North Vietnam had been ineffective.
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Robert S. McNamara (1916-2009) was the Secretary of Defense during the U.S.-Vietnam War. During his tenure, McNamara thought that the U.S. Army had to be prepared to fight the war in any conditions, so he reorganized the United States defense program.
In 1967 he ordered a study of the role of the U.S. in Vietnam. The document was known as “The Pentagon Papers.” Disillutioned by the war results, he resigned in 1968.
Before WWII, there were many racial problems and African Americans were not seen as equals. WWII forced many young men to fight together, regardless of race. This healed broken race relations to a certain extent, but there was still more progress to be made after the war.
The answer would be the second option. The price of gasoline had gone done prior to this shift.