Which of these changes during the industrial revolution led to greater efficiency?
a) workers received labor rights.
b) major labor unions were formed.
c) slavery and other forms of forced labor were eliminated.
d) animal & human power were generally replaced with steam power.

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another? focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery? question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.