Answer:
In order to protect themselves from Britain cruelty.
Step-by-step explanation:
Government in 12 colonies are the were examples of self-government.
Colonists formed their own government in order to protect themselves power abuse of Britain government. If they allowed the Britain to rule over them, so the lives of the people become worse because the Britain government can use power abuse which make the life of the colonists more difficult so that's why they formed their own government in the colonies.