Which were provisions of the Treaty of Versailles?

Which term refers to a group or community that forms the focal point of a study and consists of all the people considered for evaluation in the research? a. sample b. population c. variable d. mean

In the 1800s, most european powers followed policies of in which they imposed political and economic control of peoples around the world. a. imperialism b. expansionism c. mercantilism d. isolationism

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?