HELP ME PLEASE How do mediums of exchange affect trade
O A. They make trade more expensive
O B. They make trade less global
O C. They make trade more efficient
O D. they make trade less profitable

    which of the following was anecological  result of european exploration from 1400 to 1800?   a.  increased trade with east asia      b.  the spread of epidemic diseases      c.  expansion of english territory      d.  the spread of christianity