Final answer:
The arms race played a crucial role in the development of the Cold War, escalating tensions and deepening mistrust between the United States and the Soviet Union.
Step-by-step explanation:
The arms race was a significant aspect in the development of the Cold War. It refers to the competition between the United States and the Soviet Union to develop and stockpile nuclear weapons. This led to an increase in tensions between the two countries as both sides sought to outdo each other in terms of acquiring more advanced and destructive weaponry.
The arms race had a direct impact on US-Soviet relations as it deepened mistrust and suspicion between the two superpowers. Each side believed that a strong nuclear arsenal was essential for their national security, and this belief further fueled the rivalry and hostility between them.
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