Why was the iron curtain a problem?

it prevented the allies from knowing what the soviets were up to.

the soviets were participating in the cold war.

it blockaded access to berlin.

it separated north and south korea.

How has u.s. participation in international economic development efforts affected other countries? o a. it has made some countries decide they no longer want close ties with the united states. b. it has ended diplomatic ties with countries that refuse to participate. c. it has raised money to poor nations grow their economies. d. it has caused the united states to intervene militarily to stop human rights abuses.

Why is james madison significant in regards to the bill of rights?

So i need to know the answer to thisi