Who was the British politician who argued against the Stamp Act in parliament?

Patrick Henry was the British politician who argued against the Stamp Act in parliament.

Explanation:

Patrick Henry

Explanation:

Patrick Henry is most famous for coining the saying "Give me liberty, or give me death!" in 1775, during a speech to encourage a militia to gather and defend against the British in an attack that was supposed to happen, because of resistance to the Stamp Act.

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.