In the new cities in south asia around 500 bce: a. merchants and traders, who had contact with the outside world, rebelled against the caste system. b. city dwellers, compared to rural peasants, had more material wealth but lived more uncertain lives. c. rulers reserved to themselves the right to mint coins. d. accounting and financial record keeping had not yet emerged, which limited the growth of financial transactions. e. traders found that kings were able to disrupt their activities as kings made decisions about warfare without considering the concerns of the traders.