Presidents have sole authority to oversee the bureaucracy

A major difference between differential and experimental research is that,

A) In experimental research, the independent variable is not manipulated. B) In differential research, the independent variable is manipulated. C) In differential research, only the dependent variable is manipulated. D) In experimental research, the independent variable is manipulated.

Agriculturists have been among those most affected globally by the expansion of capitalism

Indicate whether this statement is true or false.