How many amendments have been ratified since the adoption of the Bill of Rights?

The Supreme Court's decision in __________

(1954) triggered a revolution in American race relations, an area Congress had been unwilling to touch. A) Miranda v. Arizona B) Dred Scott v. Sandford C) Brown v. Board of Education D) Gibbons v. Ogden

The trend in Mitt Romney's favorability ratings during the 2012 election suggests that negative advertising __________

A)had no effect on Romney's favorability ratings B) was not responsible for Romney's election defeat C)was directly correlated to Romney's steep decline in favorability D)was directly linked to Romney's loss in the election