What is referred to by 'approve an amendment 6'?

Based on the clue 'appropriately youll find an old west museum bearin...', what is the answer? Based on the clue 'appropriately youll find the appian way at this ho...', what is the answer? What is associated with: appropriately zane grey was born in zanesville in this state in 1872? What is associated with: approrpriately nathan lane played nathan detroit in a 1992 revival of this musical? What is associated with: approved august 27 1789 this french document proclaimed that men are born remain free? What is associated with: approved in 1939 the seal of this city in new york state features a barge being towed through… What is associated with: approved in 1977 projected for launch in 1983 the hst didnt get airborne until this year in wh… What is associated with: approved in the 1950s this compound has been added to the drinking water of about half of the…