Progressive taxation requires low-income groups to pay a larger percentage of their income in taxes

Which of the following characterizes experimental research?

A) Seeking the strength and direction of relationships B) Hypothesis generating as the major aim C) High control and causal inferences D) The goal of observing contingent relationships

An explanation that focuses on the strength of a country's _______ relative to its neighbors would most likely be following the rational-material approach

a. religion and culture b. military and economy c. party structure and legislative system d. historical traditions and democratic values