Explain the origins and purpose of the declaration of independence

The main purpose of America's Declaration of Independence was to explain to foreign nations why the colonies had chosen to separate themselves from Great Britain. The Revolutionary War had already begun, and several major battles had already taken place.

here ya go plz mark brainlest https://mrnussbaum.com/pdfs/declaration_of_independence.pdf had this saved on my laptop

the correct answer is =   british soldiers attacked and killed five boston townspeople.

do u have any answer choices man?