Has the u. s foreign policy been good for the world? why or why not?

No. American foreign policy has influenced extremism.

Explanation:

The year 1945 marked world history, the end of World War II generated profound changes in the dynamics of International Relations. The political scene was fraught with tension, the rise of two ideologically antagonistic forces, the United States and the Soviet Union, frightening the postwar world, especially in the face of nuclear arsenals. In this context, the US foreign policy was marked by several policies aimed at containing the “Soviet advance”, especially in Latin America, considered an area of historical influence of the United States. the "non-interventionist" good neighbor policy "has been replaced by the old interventionist formula.

With the victory of the United States in the Cold War, its policy of expansion acquired an easier and faster dynamics. However, the old notion of "containment" of communism has lost its legitimizing character in US foreign policy. The concept of "primacy" became part of the analysis of the new context; but it is evident that the reality of primacy required some legitimacy. The Clinton administration was a successful experience of primacy. By contrast, the current government's foreign policy signifies a setback by its military emphasis, its constant display of "arrogance of power" and its repressive internal consequences. It is an extremism and it is likely that the American elite will not tolerate it for long.