Answer:
Its goals were to rally the troops, win foreign allies, and to announce the creation of a new country. The introductory sentence states the Declaration's main purpose, to explain the colonists' right to revolution.
Explanation:
source: https://www.archives.gov/founding-docs/declaration/what-does-it-say#:~:text=Its%20goals%20were%20to%20rally,the%20colonists'%20right%20to%20revolution.