Who was affected by the second continental army

Why is it useful for historians to base certain studies on the analysis of historical themes

The southern states were unhappy with reconstruction. they saw it as punishment by the_? . they were also against_? 2_ , as shown by the black codes. ? 1 ? 2 radical republicans providing equal rights to men and women democrats providing blacks the right to vote moderate republicans providing women us citizen ship

What impact did entry into ww1 have on life in the us?