According to the article Sons of Liberty, the phrase "Sons of Liberty" received new meaning thanks to a speech by a British memb
er of Parliament, Colonel Isaac Barre, who spoke against the Stamp Act and argued that American colonists were not radicals but rather citizens protecting the true principles of English liberty.
They were able to collect more taxes than the Western Roman Empire because their religion wasn't as strict and they were nicer than the Western Roman Empire who were rough and disciplined and most people were poor and couldn't give money.