Approximately what percentage of convictions in the federal judicial system is the direct result of a negotiated plea bargain?

The populist movement in the early twentieth century is responsible for all of the following EXCEPT ________

A. ballot initiatives and recall elections B. replacement of party conventions with the primary elections C. the direct election of U.S. senators D. the creation of political parties

If the office of vice president becomes vacant,

A) it remains unfilled until the next election, and the Speaker of the House becomes president if the president dies. B) the president nominates a replacement who must be approved by both chambers of Congress. C) the president names a replacement who is not subject to congressional approval. D) the president nominates a replacement who must be approved with a general election vote across the states. E) the secretary of state becomes vice president.