What was the major effect of the Stamp Act (1765) on colonial trade?

The legislation levied a direct tax on all materials printed for commercial and legal use in the colonies, from newspapers and pamphlets to playing cards and dice. Though the Stamp Act employed a strategy that was a common fundraising vehicle in England, it stirred a storm of protest in the colonies.

answer is :

many churches split during the movement.

new religions grew in popularity.

the correct answer is ligma : ) jk but i think its c