|The first U.S. transcontinental ____ was completed in 1869.
|The 1840s ____ famine increased immigration from Ireland.
|Alexander Hamilton wanted a strong central ____ government.
|Schenck v. U.S. (1919) limited free speech during ____.
|The 24th Amendment (1964) banned federal election ____.
|"In God We Trust" first appeared on U.S. ____ in 1864.
|The Cold War was a ____ between the U.S. and U.S.S.R.
|U.S. Presidential debates were first ____ in 1960.