Answer:
B. to force Parliament to repeal the Townshend Acts.
Step-by-step explanation:
The Boston non-importation agreement was an agreement signed by merchants and traders on August 1, 1768. The agreement was a collective decision of some sixty merchants and traders of Boston who agreed not to import any goods or export any items to Britain.
The purpose of the agreement was to force the British Parliament to repeal the Townshend Acts. The Townshend Acts of 1767, were a series of acts enacted by the British Parliament to exert their authority over the American colonies by imposing taxes to raise revenues.
The agreement was an act by the Boston colony to force the British Parliament to remove the Townshend Acts.
Therefore, option B is correct.