What led to the emergence of the middle class during the 1800s? the nativist movement’s success declining interest in manufacturing the growth of industry and cities improved factory conditions

Lily created comment cards to give customer during the month of july. she takes all the feedback she received and determines how the company needs to improve its product. now that the product is improved, lily is launching a social media campaign to let customers know about the changes. in what department does lily most likly work?