In the _________, the congress called for a continued boycott of British goods and required each colony to establish an army.

Validity is best achieved by

A) not interfering with variables. B) simply reporting all observations. C) choosing a well-studied area of research. D) controlling for extraneous variables.

Which of the following countries is identified as a “non-nuclear weapon states” under the Nuclear Nonproliferation Treaty?

a. Great Britain b. Russia c. Germany d. France