Where did George C. Marshall Get his plan from

The Plan was largely the creation of State Department officials, especially William L. Clayton and George F. Kennan, with help from the Brookings Institution, as requested by Senator Arthur Vandenberg, chairman of the United States Senate Committee on Foreign Relations.

c or d both can be the answer

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.