"The economy was strong and poverty in big cities was declining" is the statement among the following choices given in the question that <span>best illustrates the social and political climate of the United States during the 1960s. The correct option among all the options that are given in the question is option "a".</span>
Immigration was certainly a key factor in the growth of America's economy . The Industrial Revolution came with massive technological developments, and the chance to exponentially improve the production rate of factories. However, to operate these emerging industries it would take a tremendous amount of laborers. American citizens working alone, weren't going to be enough. In other words, the peak of immigration influx allowed the U.S. to take full advantage of the possibility at the right time.
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Prior to the outbreak of war, French and British politicians tried to solve their problems with Hitler and Mussolini through a policy of "appeasement", since they wanted to avoid war at all costs.