Answer:Read this,hope it helps!
The 1950s in America are often described as a time of complacency. By contrast, the 1960s and 1970s were a time of significant change. New nations emerged around the world, and insurgent movements sought to overthrow existing governments. Established countries grew to become economic powerhouses that rivaled the United States, and economic relationships came to predominate in a world that increasingly recognized that the military may not be the only means of growth and expansion.
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Explanation:
i think your answer is right if not, waterfalls
That time period was known as the roaring 20s, america was at its best, but the depression started in 1930... so the late 20s economy would be good but starting to fail