Answer:
The correct answers are: 1. No taxation without representation!; 2. Class did not matter; 3. Boston Tea Party.
Step-by-step explanation:
The Sons of Liberty was a secret underground organization that opposed British rule and especially the passing of unfair taxation. It helped promote the rights of the colonies and their fight for independence.
1. No taxation without representation! was their unofficial motto because this cry represented their anger towards British unfair taxation. This claimed their right to have representatives in British Parliament and have a "voice" when making decisions about taxes.
2. Class did not matter proved that, unlike British society, their cultural background respected every individual's right, no matter the social class they belonged to.
3. The Boston Tea Party was a famous incident the Sons of Liberty played a key role in since it was a major protest against British taxation on colonists' goods, especially tea and sugar.