Why did violence occur and kansas after the passage of the kansas nebraska act

Whose writings were the source of the idea that people have a right to abolish and replace a government that violates their natural rights?

The supreme court settle conflicts between the various levels of government true or false ?

Which of these is not a purpose of the constitution as explained in the preamble? • to make a better country • to keep states more powerful the the u.s. • to keep peace in the country • to protect freedom