Question

case study: wilsons foreign policy in mexico
why did the u.s. refuse to recognize huerta and his government?
how does wilson justify sending in troops to mexico?
yellow journalism

Explanation:

The questions are about U.S. foreign policy (Wilson's in Mexico) and political recognition/justification of military action. These relate to Politics (subfield of Social Science) as they involve government decisions, international relations, and political justifications.

Answer:

The subfield is Politics (under Social Science).