Misc: in 1938, to who were all rights to the character 'superman' sold for 130 dollars?

Questions

What portable device did James Spengler invent in 1907, using a soap box, pillow case, a fan & tape?

What river were the Joan of Arc's remains cast into?

What served as a cowboy's wash cloth, dust mask & water filter?

What war was rudely interrupted by the bubonic plague?

What was Massachusetts' logical choice for an official state dessert, in 1996?