When did the greatest drop in british imports occur , and what event caused that decline?

It occurred during 1764-1768 then in 1774-1776 and the events were the sugar act and the intolerable acts

Explanation:

codfish influenced the yankee trade because they traded it with the americans and the americans traded livestock, molasses and stuff that they can make clothes out of (like wool, and leather). they also could make weapons to.

the answer would be:

b. race