Final answer:
The tax that led to the Boston Tea Party was the Tea Tax. The British government imposed the Tea Act of 1773, giving the British East India Company a monopoly on tea imports and imposing taxes on the colonists.
Step-by-step explanation:
The tax that was a key factor that eventually led to the Boston Tea Party was the Tea Tax. The British government imposed the Tea Act of 1773, which gave the British East India Company a monopoly on tea imports to the American colonies and required the colonists to pay taxes on imported tea. This angered the colonists, who saw it as a violation of their rights and a form of taxation without representation.
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