Evaluate the extent to which regional differences about slavery contributed to political tensions in the period from 1830 to 1861. I did to do the intro paragraph the thesis has to be in the middle :/

Since so many american men during world war ii were fighting overseas, the factorices lay empty. this presented a problem the u.s. military was in such dire need of manufactured goods bullera, tanks, airplanes , ships, and many other things. whose point of view si best reflected in these lunes?