Need help on that question and I’m done ASAP

Which of these were effects of mass production techniques used during 1920s

Overpopulation puts severe stress on the environment because .

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?