Some of the actions of King George had caused a group of colonists to loathe the King and his government’s policies. They also argued that people have the right to overthrow a government if they feel that the government is not protecting the natural rights of its people. The Declaration itself proved that the colonists were willing to take ________ measures to get their freedom. If this meant forming a whole new country, then so be it.

Choose the word that best fills in the blank.
A treacherous
B inevitable
C subsequent
D drastic

The word that best fills in the blank in the given context is "D. drastic." The sentence suggests that the colonists were willing to take extreme or drastic measures to secure their freedom, even if it meant forming a whole new country.