Answer:
The United States and it's government changed in the late 1700s and early 1800s was slavery of people in the North and South. The North was industrialized by getting industries and factories and urban areas. ... Stated that through slavery would continue in the South, it would be banned in the territory won from Mexico.
Seems that you may need to provide your own information that you’ve gained! you haven’t included the crash course video. i would recommend watching the video over and picking out 3 things that you learned. i’ve seen crash course videos before (not the one above of course) and they’re very easy to understand and there’s TONS of info, it’s quite easy to pick out three things :)