What technological advance was central to the early development of the industrial revolution​

How do goods differ from services? (economics)

Which of the islamic empires (ottomans, mughals, safavids) were the most influential and why?

Why were the actions of native americans so varied in response to relocation? a. the tribes were very diverse and had different beliefs. b. they were exhausting every avenue. c. they all wanted to get the best financial arrangements. d. many of the tribes wanted ownership of the area.