I need help I don't know the answers.

Within a farewell to arms, what would be the best definition of the word “regiments”?

Which word correctly completes the sentence? both tracks are visible in the snow. a. deers' b. deer's c. deers 2.which word correctly completes the sentence? a huge diamond decorated the crown. a. kings' b. king's c. kings 3.which word correctly completes the sentence? at the old library, many of the covers were worn or damaged. a. books' b. books c. book's 4.which word correctly completes the sentence? in the traffic jam, cars moved at a pace. a. turtles' b. turtle's c. turtles plz asap

How does athena disguise odysseus before he sees eumaeus?