A Civil War general who had been reduced to lieutenant colonel, who died at Little Bighorn in 1876?

What is the name for a 1 followed by 100 zeros? A one-time gag writer for Red Skelton, who was reportedly TV's highest-paid star at his peak in the 1980s? Which former U.S. Attorney for Washington, D.C. became the first African American U.S. Attorney General in 2009? Which downtown Los Angeles arena, opened in 1999 and home to the Lakers, was renamed Crypto.com Arena in 2021? A Pacific bluefin, one of which fish, was tracked swimming 6,700 miles from Japan to Baja California? A Packard touring car disguised as a police car was used in which 1929 holiday killing in Chicago? What word names a pill or a pad of writing paper? What old-fashioned term refers to a pain in the lower back?