The "Iron Curtain" described the dominance of communism in which region?

How is Congress able to influence global financial institutions?

a. Congress regularly sends legislators from the Appropriations Committee to advise these institutions. b. Congress determines which organizations the United States will send representatives to and which will only be advised in the case of a global financial crisis. c. Congress controls the U.S. budget and how much money is allocated to organizations such as the World Bank and the International Monetary Fund. d. Congress determines the federal interest rate, thus setting the value of all foreign currencies in relation to the value of the U.S. dollar.

It is beyond the researcher's control to prevent all threats to internal validity

Indicate whether the statement is true or false