Answer:Both movements launched nationalist wars that extended over several years.
If you're referring to the Civil War era, in the years leading up to the war, once such compromise could have been that slavery could continue to exist where it was, but not spread to other states.
The post war economic boom was due primarily to foreign debt. The United States made substantial loans to European countries during World War I. Although the Europeans had very little money to repay the debts, American bankers restructured the loans to facilitate repayment. Although a brief recession occured in the early part of the decade, the Roaring Twenties saw the expansion of the stock market and considerable profit for investors.
1) Labna, Palace, vaulted passage
2) Copan stela A, Maudslay cast
3) Panel 3 from Cancuén
4) Yaxchilan Lintel 24
5) Stucco portrait of K'inich Janaab Paka
6) Stucco mask panels
7) Balamku
I hope this helps! :)