Germany was sinking American merchant ships.
The main root of the Cold War between these two nations United States and The Soviet Union is only mistrust. This has caused tension between these two. And the one that signifies that response to the policies of the cold war between these is the nonaligned movement and that would be option C.
One of the reasons why the constitution enters a successful guide for the government is the acknowledges principles. Another that the writers use patients to write the constitution. The last reason is that the constitution is very flexible to deal with changing times. Hope that helped u!❤️