Misc: "Do unto others as you would have others do unto you" is also called what?

Questions

imperial, buck and luna are types of ______?

in 'gone with the wind', what does scarlett invest in to regain her former wealth?

in 1953, which group did clyde mcphatter form after leaving 'the dominoes'?

which tommy edwards tune begins with 'many a tear has to fall ...'?

which group recorded 'alley-oop', their only hit?