What is referred to by 'a porcine hairpiece'?

Based on the clue 'a popular wwi song told of a mademoiselle from thi...', what is the answer? Based on the clue 'a popular wwi song urged americans to keep these b...', what is the answer? What is associated with: a populist louisiana governor of the early 1930s? Based on the clue 'a porch adjoining a building like where mummy ofte...', what is the answer? Based on the clue 'a porky isnt a pig but this rodent that you dont w...', what is the answer? Based on the clue 'a port city seattle is a sister to this port city ...', what is the answer? Based on the clue 'a port on the new york state barge canal rochester...', what is the answer? Based on the clue 'a portable lamp or a green dc comics character', what is the answer?