“what kind of country can preserve (protect) its liberties if their rulers are not warned from time to time that their people preserve the spirit of resistance ( let them take arms ( the tree of liberty must be refreshed from time to time with blood of the patriots and tyrants.” how can you best describe this quote

I don't know your options, so let me just describe the quote with just the material I have. 

The quote is encouraging the acceptance of violence, and it sees violence as something refreshing or non-negative - violence is a way for the citizens to let the government know that they value freedom and that they will not accept corruption. 

it also sees freedom as something that needs to be sustained, and if people don't fight for it, they might loose it. 

The declaration of sentiments