Crossword puzzle clue "lake now split into four parts"

Lake now split into four parts

1950s-'60s hit with the lyric "Ah, you made me love you / Now, now, now, now your man is come"

Split into parts

Shakespeare play split into two parts

It was split into two parts by the 1899 Treaty of Berlin

March figure ... or, when split into three parts, a title for this puzzle

Lake ___ (after translation, "Lake Large Lake")

River flowing from Lake Erie into Lake Ontario