Answer:
The main reasons the US got involved in the war was because of nationalism, imperialism, militarism, and forming allies. Many countries were scared of Germany's nationalism. Imperialism helped Germany with its markets making it stronger.
Answer: Stock Market Crash of 1929 signaled the great depression. This was a quick decline in stock values.
The farm land of the Fertile Crescent that made agriculture easy for the people.
<span>The Tariff debates resulted in the South being displeased (as explained in the last question), and also resulted in the British threatening to end cotton trade with the US due to the high rates for the Cotton, and less revenue because of lessened trade with Britain. The rates had rose because of the tariffs. Few were pleased in the south because they had less revenue (due to lessened trade with Britain), but higher rates on to purchase things not made in the South. To lessen tensions with the South because of the tariffs, the tariff of 1832 called for the gradual reduction of rates, But this wasn't enough for South Carolina, who nullified the two tariffs.</span><span />