Misc: Imperial, Buck, and Luna are types of ?

Questions

In December 1997, the state of Nevada (USA) became the first state to pass legislation categorizing --- data disasters as "acts of God" - protecting the state from lawsuits that may potentially be brought against it by residents in the year 2000.?

------- was the last Ivy League college to go coed, in 1972.?

During Australia's --------- in 1850, only a few miners ever became rich. Instead, merchants and shopkeepers were the ones who really got rich.?

During the 1940s, ------- contributed directly to the war effort in the 1940s, by manufacturing first-aid kits and dye markers for the U.S. Navy. When the war ended, the cosmetic firm began to produce manicure and pedicure instruments, which were tremendously successful.?

In English folklore, ------------- was a fairy queen who governed people's dreams.?