Final answer:
The imposition of various Acts by the British government, such as the Stamp Act and the Sugar Act, without the consent of the American colonists, most led to the writing of the Declaration of Independence.
Step-by-step explanation:
The British colonial policy that most led the American colonists to write the Declaration of Independence was the imposition of various Acts, such as the Stamp Act and the Sugar Act, which imposed taxes and regulations on the colonies without their consent. These policies violated the colonists' rights and autonomy, leading them to protest and eventually declare independence from Britain.
Furthermore, the colonists saw these taxes as a violation of their rights and liberties as English subjects. They argued that they were being treated unfairly and that their consent was being ignored. This led to widespread protests and resistance, including events such as the Boston Tea Party.