One major pull factor that contributed to the population growth shown in the urban area of northern Illinois and Indiana was "<span>racial discrimination," since many blacks in the South fled to the North in the hopes of living better lives. </span>
I believe master and messiah
"Endocrine system" is the one among the following choices given in the question that <span>human organ systems is mainly made up of glands and hormones. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer helps you.</span>