The British government had not engaged in any serious actual oppression of the colonies before 1774, but it had claimed powers not granted by the governed, powers that made oppression possible, powers that it began to exercise in 1774 in response to colonial denial of them. The Revolution came about not to overthrow tyranny, but to prevent it.
If God gives you a dream, and the dream comes to life and God shows up in it, and then the dream dies, it may be that God wants to see what is more important to you - the dream or him.