Why was the Industrial Revolution one of the most important developments in human history, and why did it happen so quickly?

Which  was not a problem faced by farmers in the late 19th century

Even before world war ii had ended, it was apparent that the allies would not remain friends in the post-war era. explain what is meant by the term cold war. then describe how the conflict between the superpowers manifested itself in the two following regions: europe and asia.

How did the voting rights act and the 15th amendment combine to improve individual rights for african americans