What is associated with: a national inoculation campaign was held in 1976 to prevent an epidemic of this that never materialized?

Based on the clue 'a national hero saint this alexander was great wh...', what is the answer? Based on the clue 'a national hero for his defense of mafeking during...', what is the answer? What is associated with: a national historic landmark since 1964 it links 2 nyc boroughs bears the name of one of them? Based on the clue 'a national historical park named for this duo is m...', what is the answer? What is associated with: a national memorial in this city commemorates the site of the april 19 1995 bombing that kille… Based on the clue 'a national memorial the hall of remembrance is par...', what is the answer? What is associated with: a national monument in cork the second city of this country honors the rebellion of 1798? Based on the clue 'a national monument in utah is named for this the ...', what is the answer?