b. They demonstrated the president's ability to communicate wit the American public.
a. to provide a pension system to support workers during their retirement.
The gradual muslim conquest by the mughal empire.
Then you have military geniuses on the confederate side, Stonewall Jackson, Robert E Lee, and the more controversial leaders Nathan Bedford Forrest and Stand Watie. While they fought for the wrong side, they were great leaders. The north had generals and leaders like grant, Farragut, Mclellan, and Custer.