I choose the best answer Aner World War II, the United States and Soviet Union engaged in the War tron Nuclear Cold​

Explanation:  

1. How were the United States and the Soviet Union alike during the Cold War? The greatest difference between the two countries was simply that American citizens generally thrived because of free market economic policy, whereas Russians suffered under the inefficiencies of their command economy.

2. In October 1962, the Soviet provision of ballistic missiles to Cuba led to the most dangerous Cold War confrontation between the United States and the Soviet Union and brought the world to the brink of nuclear war.

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.