One drawback of voluntary trade is that it

a. requires two groups to use a common language
b. can make one group dependent upon another for necessary goods
c. doesn't occur unless there is a shortage of goods for at least one group
d. forces groups to rely on themselves to produce all the goods they need

B. can make one group rely on the other. :D

i belive the continental association was created to boycott all contact with british goods.

i also belive it was in december 1, 1774

they chose sides following the death of the islamic prophet muhammad in ad 632. a dispute over succession to islamic prophet muhammad as a caliph of the islamic community spread across various parts of the world, which led to the battle of jamal and battle of siffin.

hope it