155. What "is the Monroe Doctrine"?
156. Who was the inventor of the cotton-gin?
157. What is a "protective tariff"?
158. What is meant by "Reconstruction"?
159. What Presidents were not elected to that office by the people?
160. To what party did Henry Clay belong? J. Q. Adams? Thomas
Jefferson? John C. Calhoun? Andrew Jackson? Daniel Webster?
Stephen
A. Douglas? Alexander Hamilton? George Washington?
161. What President had not voted for forty years?
162. What two distinguished generals of the same name served in the Confederate army? Name the battles fought by each.
163. What was the "Dred Scott decision"?
164. What was the "Kansas-Nebraska Bill"?