Congress honored which slain U.S. senator from New York on a commemorative silver dollar?

Congress created which Cabinet department in 1965, though its first secretary wasn't appointed until 1966? Congress established which national park in Arizona on February 26, 1919? Which U.S. president, paralyzed from the waist down by polio, died in office in April 1945? Congress passed laws named for which crime, defined as inciting rebellion against the government, in both 1798 and 1918? On January 18, 1777, Congress ordered a signed copy of the Declaration of Independence sent to each state while meeting… Under an 1820 compromise named for it, which state entered the Union as a slave state while Maine entered as a free sta… In 1864, Congress revived the rank of lieutenant general and gave it to which Union commander? Which civil rights organization launched the 1961 Freedom Rides through the segregated South?