The earliest period in earth's history is:
a. the jurassic
c. the mesozoic
b. the archean
d. the precambrian

Me! will mark brainiest! essential questions: • for what reasons will one group of people exploit another? focus questions: • what influenced the development of the south more: geography, economy or slavery? • what were the economic, political and social arguments for and against slavery in the first half of the 19th century?