12 percent decrease between 2251.35 and 1975.86
The taxes that were imposed by the Townshed Acts<span> of 1767 were </span>important<span> because they helped to reignite anger in the colonies against England.</span>
Hancock claimed to have invented vulcanization independently, and received a British patent, initiated in 1843, but finalized in 1844.
Usually, back then, they followed their food and tracked them without settling too long in one place. But since that's not one of the answers I would go with A.
I hope that helps.