Which Old West slang term for a hanging also sounds like a formal-wear gathering?

Which U.S. president had the Secret Service code name "Rawhide"? A cow's stomach has how many compartments? What is a crack in the Earth's crust along which rocks have moved called? A "crash" is a group of which large horned mammals? A craze for which flower developed in Holland in 1634, with single bulbs fetching extraordinary prices? A creel is a basket for carrying what? Cricetus cricetus is the scientific name for which rodent with large cheek pouches? A criminal's record of arrests and charges is called a what sheet?