It showed that the British would use force against the colonists when they needed to, which showed the colonists that they needed to separate from Britain before anyone else gets hurt.
Here they are, in his own words:
Selling indulgences to finance the building of St. Peter's is wrong. ...
The pope has no power over Purgatory. "Papal indulgences do not remove guilt. ...
Buying indulgences gives people a false sense of security and endangers their salvation.
Future leaders of the women’s rights movement got their start working for social reform movements such as abolition and temperance