Which type of research method attempts to answer the question, "why are they doing that? "

Qualitative Research

This type of research is aims to gain understanding of the motivations, reasons and opinions behind the concept or subject being studied. This method is used in many fields of study such as the social sciences, business, market research, and even the natural sciences.

The will be a : great britain wanted french gold mines

United states v.  nixon, 418  u.s.  683 (1974),  was  a landmark  united states supreme court case  that resulted in a unanimous  decision  against president richard  nixon, ordering him to deliver tape recordings  and  other subpoenaed materials to a  federal  district  court.