Based on the clue '7 seals 7 trumpets satan gets his dont add s to th...', what is the answer?

Based on the clue '7 plus 1 completes the need', what is the answer? What is associated with: 7 policeman were killed in 1886 when police tried to break up a workers meeting in this square? Based on the clue '7 presidents have lain in state nixon gave his fa...', what is the answer? Based on the clue '7 priests of the congregation of holy cross are on...', what is the answer? What is associated with: 7 time nascar national champion died in last lap crash at the 2001 daytona 500? Based on the clue '7 to approve a candidate or sign the back of a che...', what is the answer? What is associated with: 7 weeks after the alamo sam houston took this mexican leader prisoner at the 1836 battle of sa… Based on the clue '7 women have been the secretary of this the most f...', what is the answer?