You mean "The Tree of Liberty must be refreshed with the blood of Patriots and Tyrants". It means a revolution should take place once government gets too big or they begin to infringe on the free will's of people. Which means, Patriots and Tyrants will die if it means to maintain Liberty.
Cortés he was the explorer who conquered the Aztec empire for Spain and ruled it or the answer would be Spain
They used violence and intimidation to prevent federal officials from collecting tax