Modern diplomacy is often less restrictive than traditional diplomacy used to be, likely due to advances in information technology among other developments

Natural variation among samples drawn from the same population is

A) measurement error. B) sampling error. C) variation error. D) natural error.

For much of the past 60 years, defense policy was centered around the U.S. relationship with which country?

A. Afghanistan B. Iraq C. Soviet Union D. Great Britain