I think d im almost positive but in just a sec i will be positive.
Ordering a naval blockade near Cuba.
Explanation:
Russians were transporting nuclear weaponry through submarines to Cuba. The US gave Russia the ultimatum of turning around of facing consequences.
Known today as the Cuban Missile Crisis.
The Strategic Arms Limitation Treaty (SALT) agreements signed in the 1970s by the United States and the Soviet Union were efforts to "<span>(1) reduce Cold War tensions," since the direct aim was to eliminate large portions of each nation's nuclear arsenal. </span>
C.
Article One of the United States Constitution establishes the legislative branch of the federal government, the United States Congress. ... Article One's Vesting Clause grants all federal legislative power to Congress and establishes that Congress consists of the House of Representatives and the Senate. - Wikipedia
1) C
2) B
3) B
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