In What Way Were Colonial Charters Important Models for U

In what way were colonial charters important models for U.S. governmental structures?

A) Proprietary charters allowed entities like the Virginia Company to experiment with different forms of government.
B) Royal colonies' reliance on a strong executive was a model for the U.S. presidency.
C) The popular election of charter council members created democratic institutions.
D) They typically had bicameral legislatures and an executive.
E) The crown's methods of granting colonial charters were the model for granting statehood.