Explain the following statement. "ancient egypt was strongest when its rulers were strong."

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Values, conventions, clothing, and behaviors are part of a group's:

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.