Post War Economic Adjustment. Millions of soldiers returning home and there was no need for many people to be working wartime sectors. They advocated for better wage and working conditions.
Answer:
They could have trained tougher armies
<span>In the spoils system political appointments or jobs in the civil service are granted by the Victor of an election or vote. The victor normally gives position an power to his friends, family or political allies who helped him or her win the election as a reward and incentive for working for the party.</span>
We could say that the growth of the cotton industry and the expansion of slavery into new states such as Alabama and Mississippi this ended hope's for a very gradual end to slavery so its opponents had the necessity to stop it from spreading to the new lands of the Louisiana Purchase. However, by the year of 1818 the northern states had a majority of growing immigrants in the House.
Before the USS Maine exploded, the United States was trying to expand as a world power. Thus, many Americans blamed Spain for the explosion of the USS Maine because it gave them a reason to declare war on Spain and take control of Spanish territory in the Pacific and Caribbean.