he gained the support of the working class
When it came to the early 1500's, there was no separation of church and state. The king was always kept in check by the church. Although everybody in the kingdoms answered to the kings, the kings answered to God. All the rules that were put in place were done so in respect of the church's commandments, keeping in mind what God wanted the people to do.
The language he used is echoed in the Declaration of Independence. It also prompted more of the colonists to be interested in declaring their breakage away from Great Britain.