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D. Castro started manufacturing hydrogen bombs with the help of communist China.</span>
Well, it can't be the Cuban missile crisis, that was before he was president, he was the vicepresident.
the bombing of Japan happened about 20 years earlier.
He did sign the Civil Rights act into Federal Law, and that was very significant.
Scarcity refers to the condition of insufficiency where the human beings are incapable to full fill their wants in sufficient manner. In other words, it is a situation of fewer resources in comparison to unlimited human wants. Human wants are unlimited. we may satisfy some of our wants but soon new wants arise. It is impossible to produce goods and services so as to satisfy all wants of people. Thus scarcity explains the relationship between limited resources and unlimited wants and the problem there in.
Answer: The answer is "periodization."