Author
United States. Congress. House. Committee on Foreign Affairs,
Obama, Barack,
6
United States. President (2009-2017 : Obama),
6
Biden, Joseph R., Jr.,
4
Trump, Donald, 1946-
4
United States. President (2021- : Biden),
4
United States. President (2017- : Trump),
3
United States. President (2017-2021 : Trump),
1