How did the automobile impact the american economy during the twenties? a: shortage of cars on the market increases the amount of overtime auto workers received b: fm radio create thousands of jobs in every city c: demand for cars increased demand for the materials used to make cars, which increased demand for workers

question as stated in comment

why did the chinese require the portuguese to pay for goods in gold and silver when trading?

choices

portuguese goods were less valuable than chinese goods.

the chinese already had a surplus of portuguese goods.

the imperial government wanted to stockpile gold and silver.

portuguese and chinese currencies were not exchangeable.

this a history q n in ancient time, theres no money exchange. so ans is portuguese and chinese currencies were not exchangeable.