Which of the following methods is the most appropriate way to categorize historical events by time period
a. 18th century,19th century,20th century
b. economic, political, social
c. progressive, conservative, reactionary
d. people, issues, economy

The first ten amendments, known as the bill of rights, protect individual freedoms and limit the power of the federal government. what amendment limits the powers of the state government and extends bill of rights' protections to citizens of a state? a) 12th amendment b) 14th amendment c) 15th amendment d) 17th amendment