Why did some parts of the world replace human and animal power with machines in the 1700s while others are still not industrialized today?

Need ! how did sumner define liberty in the book of "voices of freedom"

This amendment made cuba an american protectorate and forced cuba to cede guantanamo bay to the u.s.

How did the second great awakening affect americans? a revived their patriotismb renewed their religous faithc spread cultural awarenessd increased political activity