Politcal change- african americans began to gain political rights
social- kkk was form
The United States was unprepared for the attack at Pearl Harbor because up until that point America was not involved in the war. It was at that point that we became involved in the war.
Hope this helps.
La Revolución Industrial fue la transición a nuevos procesos de fabricación en Europa y los Estados Unidos, en el período de aproximadamente 1760 a algún momento entre 1820 y 1840.