Ronald Reagan initiated a policy of space-based defensive weapons also known as SDI. What did this stand for?

The U.S. Social Security Administration sets the official poverty line at:

A. two times the cost of living. B. one hundred percent of inflation. C. three times what it costs for a modest food plan. D. the poverty line changes from municipality to municipality.

Which of the following have recent movements, such as the antiglobalization movement and the anti-Iraq War movement, used to spread information, raise money, and organize?

a. social networking and text messaging b. speeches c. radio stations d. television and Internet advertising -