The economic warfare between Great Britain and the colonists began well before the colonies declared their Independence in 1776. Regulations from the crown were met with fierce opposition from the colonists. After lobbies and petitions proved ineffective,the colonists turned to boycotting imported English goods. Boycotting proved to be successful in crippling British trade. After a second boycott in 1768 parliament Townshend duties except for the tax on tea. The colonists persisted and the American boycott on tea ultimately culminated in the Boston Tea party of 1773.