What was Ida tarbells role during the progressive era

The u.s. intervened in korea and vietnam to stop the spread of

How can christianity affect the cultural landscape of a place?

Suppose that sociologists and cultural anthropologists are tying to measure the amount of child abuse for cross cultural comparison. they run into disagreement over whether spanking a child is abuse or discipline. what problem are they encountering in their research? a. reliability of the definition of abuse. b. validity of the definition of abuse. c. occam's razor about the definition of abuse. d. none of these.