Which of these contributed most directly to the Sand Creek Massacre? (1 point) a/ the Pike's Peak Gold Rush b/ the General Allotment Act c/ the Battle of Little Bighorn d/ the Mexican-American War

Ifound this on google “simply, the working conditions were terrible during the industrial revolution. as factories were being built, businesses were in need of workers. with a long line of people willing to work, employers could set wages as low as they wanted because people were willing to do work as long as they got paid.” i hope this you for what your looking for.