Nearly a quarter of China is made up of desert and that amount increases by 1,300 square miles each year. This is an example of

To determine causality, the researcher needs to

A) Use qualitative research methods. B) Develop high-constraint hypotheses. C) Use correlations. D) Always use t-tests.

The Roosevelt Corollary was used to justify American intervention in

A. Africa. B. India. C. several Caribbean countries. D. Japan. E. China.