Answer: when someone describes the United States as a “democratic republic” they are simply stating that we the citizens rule our government, that we have certain rights, and that we choose our representatives.
Should be right I hope
Americans noticed that after the end of the Second World War, the geopolitical landscape of the world would change in favor of the United States, as it no longer had a threat in Europe nor had a threat in the Pacific Ocean, as the Empire of Japan was defeated during the war. This favorable scenario let the United States grow in economic and military power. Two processes that were perceived by the average American citizen, as job opportunities grew due to the development of the industry, leading to improving his or her living conditions.
During World War I, the German Empire was one of the Central Powers that lost the war. It began participation in the conflict after the declaration of war against Serbia by its ally, Austria-Hungary.