Question

One drawback of voluntary trade is that it

requires two groups to use a common language

can make one group dependent upon another for necessary goods

doesn't occur unless there is a shortage of goods for at least one group

forces groups to rely on themselves to produce all the goods they need

Answer 1

help me please

Answer 2

That one is too hard :/

Answer 3

i know it hard for me too :(

Answer 4

its B