What does the “iron curtain” refer to?

the border between the Soviet satellite states and Western Europe

the promise to help nations struggling against communist movements

the 46-year rivalry between the United States and the Soviet Union

the independent nations under the control of a more powerful nation

Explanation:the cold war border between democratic western europe and communist eastern europe

Right

The border between the Soviet satellite states and Western Europe.

Explanation:

The phrase "Iron Curtain" was formulated by the British prime minister Winston Churchill. It referred to the heavily guarded borders of communist states with Western European nations, and to the lack of democracy and freedoms in those nations, which citizens could not easily leave.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

a.) a poor farmer, due to the fact that they would want to be freed from british rule.