What is referred to by 'crossroads of america'?

What is associated with: crossing the delaware on xmas 1776 washington defeated the hessians at this nj capital? What is associated with: crossing the sabarmati river was part of this leaders 1930 protest march to the sea? Based on the clue 'crossing the water winter trees are 2 posthumous ...', what is the answer? What is associated with: crossing the water a collection of her poems was published posthumously in 1971? Based on the clue 'crossword clues a athos ami 6', what is the answer? Based on the clue 'crossword puzzle competitors save time by using th...', what is the answer? Based on the clue 'crossword puzzlers know its a bit or scrap of left...', what is the answer? Based on the clue 'crotalus horridus is the timber species of this no...', what is the answer?