The Origins of the Cold War<span> are widely regarded to lie most directly in the relations between the </span>Soviet Union<span> and the </span>allies<span> (the </span>United States<span>, </span>Great Britain<span> and </span>France<span>) in the years 1945–1947. Those events led to the </span>Cold War<span> that endured for just under half a century. </span>
C. would be your answer.
Explanation: It means the government will provide ONE central defense against any attacks from outside countries/groups.
In the late 1800s, most Americans accepted laissez faire economics in theory. In practice, however, many supported government involvement when it benefited them.