In 1870 a strike was organized by which workers, nicknamed "knights of the key"?

A street in Montgomery, Alabama, is named for which woman who refused to give up her bus seat in 1955? A 1997 strike by which union shut down UPS for 15 days? A July 1877 strike for better pay by workers of the B&O soon spread to other companies in which industry? A strike started by workers of which company, maker of railroad sleeping cars, paralyzed U.S. rail traffic in 1894? Complete the title of the 1998 film about a string instrument with a secret in its varnish: "The Red ___". What is a cat with a striped or swirled coat, often with an "M" on its forehead, called? Which word beginning with U names a strong current below the surface that pulls water back out to sea? Which branch of geology studies the structure of Earth's crust and the forces that deform it, as in "plate ___"?