Based on the clue 'by the looks certainly the smell of them the herd...', what is the answer?

Based on the clue 'by the end of this sigmund romberg operetta the ti...', what is the answer? What is referred to by 'by the fact itself'? What is associated with: by the geneva accords of 1954 the 17th parallel divided this asian nation into northern southe… What is associated with: by the late 1530s the spaniards had completely conquered this indian empire? What is associated with: by the mid 1950s this country had about 375 subs in various oceans seas? Based on the clue 'by the new york times four days in the original c...', what is the answer? Based on the clue 'by the power of grayskull prince adam becomes this...', what is the answer? What is associated with: by the river lagan on the island of ireland it was chartered in 1613 settled by presbyterians…