Answer:
The most radical departure from previous political documents is the definition of the capability of the people, the american citizens, to choose freely their leaders.
Explanation:
Declaration of independece was a real milestone for democracy as it was the first political document to formaly establish that people are the ones who have the soverign of the nation it is the people who choose their leaders and not the opposite way as it had been done by most of civilizations in history. Declaration of independece marked the starting point of the rise of modern democracy and was influence for other historical events such as French Revolution.
