Answer:
The most important change produced by the American Revolution was that people began to consider themselves equal to each other.
Yes, it was revolutionary as they opposed the monarchical rule and brought the democratic government which was unusual at that time.
Explanation:
In his video titled 'Tea, Texas, and the American Revolution', John Green argued about how American Revolution was not just an event in history but revolutionary event.
He pointed out that the most important change that the American Revolution produced was that people began to assess that they all are equal creation. In their Declaration of Independence also, they formed the law on the basis of equal creation by God.
Yes, this idea was revolutionary because from this idea they began to oppose monarchy rule and developed a democratic government. Developing a democratic government when the world was under the monarchy, they established a foundation political world.