Why do people commit mass shootings?

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

Isaiah is a citizen of florida. he would like to propose a new amendment to his state's constitution to be voted on in the next election. is isaiah able to do this? no. the u.s. and florida constitutions do not allow citizens to add amendments to the state or federal ballot. no. the florida constitution says citizens may only propose new laws or amendments at local government meetings. yes. the florida and u.s. constitutions allow citizens to add amendments to be voted on in the next federal election. yes. the florida constitution allows citizens to propose amendments to the state constitution to be voted on in the next state election.

This was a 1676 uprising in the virginia colony