Which principle was included in most state constitutions? parliamentary structure; the early state constitutions all copied pennsylvania's model and had a unicameral (one house) legislature separation of powers; state constitutions had several branches of government popular sovereignty; the states all copied new jersey's constitution and gave women the right to vote judicial review; the state constitutions all created special boards of censors to review and reject bad laws

separation of powers.

Explanation:

In the US, each state has its own constitution. The constitution represents the set of all laws that must be followed in that territory. Although all US states are subject to federal law, each is free to create their own legislation.

In order to protect citizens from states of tyranny, or abuse of power by rulers, the principles that were included in most state constitutions were the separation of powers.

on june 23, 1972, the president signed title ix of the education amendments of 1972, 20 u.s.c. into law. title ix is a comprehensive federal law that prohibits discrimination on the basis of sex in any federally funded education program or activity.