Which term describes any push or pull that occurs when magnetic poles interact?

What is it called when countries build lots of weapons to store and them in case of a war?

The internet is controlled by: (select one): a. statutes and court cases in federal and state courts in the united states. b. the advanced research projects agency (arpa) and the u.s. department of defense. c. no single government or organization. d. google, yahoo, and the other search engines which have proprietary interest in the content thereon.

Among the many crucial themes related to politics, a central idea of politics includes the existence of