The answer is D. Hope this helped :)
Real GDP per capital and Gross National Income Per Capita
<span>The basic functions of the United States governmentare listed in the Constitution. They are: 'To form a more perfect Union'; 'To establish Justice'; 'To insure domestic Tranquility'; 'To provide for the common defense'; 'To promote the general Welfare'; and 'To secure the Blessings of Liberty.' I hope that this helps you out, have a wonderful day!!!</span>
The answer is Letter C. Iron curtain is the political separation of Western and Eastern Europe. It started from the end of World War II in 1945 until the last part of Cold War in 1991. Countries who are members of the Warsaw pact are located at the east side of the Iron Curtain while NATO members are on the west side.