Misc: how many players on a soccer team?

Questions

For two years, during the 1970s, Mattel marketed a doll called "Growing Up Skipper." Her _______ grew when her arm was turned?

For what country did Columbus make his historic voyage?

For what does i.f.p stand?

For what genre of book is Isaac Asimov famous?

For what is tea from willow bark good for relieving?