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.
Answer:
C. Change "have been" to "were"
Colonial farmers grew a wide variety of crops depending on where they lived. Popular crops included wheat, corn, barley, oats, tobacco, and rice. The first settlers didn't own slaves, but, by the early 1700s, it was the slaves who worked the fields of large plantations.
The first breakthroughs were the textiles using new cotton mills.
Answer:
This strategy of controlling one small island after another is called 'Island Hopping'
Explanation:
The idea is to muster all your forces and capture a small Island. Use this place as a base and as more reinforcements arrive, capture next Island. It is usually seen as a slow and expensive process.
However, it was successful executed by the Japanese as they expanded their reach across the South China Sea and the Pacific Ocean.
Similarly, the Allies and more importantly, the United States was also able to use it very successfully after the attack of Pearl harbor. The US Navy practiced island hopping eventually reaching close to Japanese shores, making it possible to launch devastating aerial attacks.
