Which U. S. Senator gave a speech about the need to advance the lives of African Americans in 1867? A.) John C. Calhoun
B.) Freedman Bureau
C.) Hiram Revels
D.) Thaddeus Stevens

Which political reform gave people the power to put a proposed law on the ballot? referendum initiative direct primary recall

What percentage of people are left handed?

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true. b) some other scientific experts read the papers and provide quality control by eliminating many mistakes. c) an editor reads the papers, to make sure that all the semicolons are in the correct places. d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog. e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.