What factor led to increased tensions concerning slavery in the United States

List factors that contributed to public confidence in the postwar united states

What method did party bosses use to maintain the power of their political machines?

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons