The years prior to 1929 were affluent and optimistic; there was a general belief that stock markets would continue to grow indefinitely, and speculation was rampant. Nevertheless, this was not the case, and a great economic crash occurred in October 29, 1929, also known as Black Tuesday. Billions of dollars were lost. It marked the beginning of the great economic downfall known as “The Great Depression”, that lasted until 1939.The president of the United States, Franklin D. Roosevelt, created multiple agencies and promoted public policies to address the problem of poverty and unemployment. To sum up, there was an initial era of total deregulation (the 20s), followed by a great economic depression, which led to interventionist policies and the final recovery of the American economy.
The final unification occurred in a way that created the most conflict in France because of the proclamations.
<h3>What was the final unification of Germany?</h3>
The unification happened in 1871 after the Franco-Prussian War and this lead to the German princes proclaiming the German nation in Versailles, France.
Hence, this unification occurred in a way that created the most conflict in France because of the proclamations.
Therefore, the Option D is correct.
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The Eastern Front or Eastern Theater of World War I (German: Ostfront, Russian: Восточный фронт, Vostochny front) was a theater of operations that encompassed at its greatest extent the entire frontier between the Russian Empire and Romania on one side and the Austro-Hungarian Empire, Bulgaria, the Ottoman Empire and the German Empire on the other. It stretched from the Baltic Sea in the north to the Black Sea in the south, involved most of Eastern Europe and stretched deep into Central Europe as well. The term contrasts with "Western Front", which was being fought in Belgium and France.
In the 1920's and 1930's gained popular support was by appealing national pride. So it’s C hope it helps :D