Based on the clue 'congress can do this but by the 27th amendment it ...', what is the answer?

Based on the clue 'congratulations were in order on may 4 when this m...', what is the answer? What is associated with: congress adopted this document in 1777 but it was not fully ratified by the states for another… What is associated with: congress approved the war of 1812? What is associated with: congress authorized coins to commemorate this event held in 1984 1992 1996? Based on the clue 'congress can pick a national dance or flower but c...', what is the answer? What is associated with: congress created this cabinet dept in 1965 but a secretary wasnt picked to head it until 1966? Based on the clue 'congress declared war on britain on june 18 in thi...', what is the answer? Based on the clue 'congress defends amends this document', what is the answer?