The correct answer is mass production of automobiles.
Explanation: The United States story periods between 1918 and 1945
It is marked by a period of great economic growth. By the end of the 1920s, however, the United States would enter a major period of economic recession, marked by high unemployment, misery and deflation, which would extend throughout the 1930s, and the negative effects of which have shaken many other countries. worldwide. In 1941, with the Japanese attack on Pearl Harbor, the United States would enter World War II, thus marking the end of the Great Depression. The war would end in 1945, and with its end, the United States would become one of the two great world superpowers, the other being the Soviet Union.
The contry that came after the German Empire is refereed to in English as Weimar Republic (answer D) and in German Weimarer Republik, but the official name of the country was German Reich - the name "Weimar Republic" only started being used after 1933, when it no longer existed.
Both guaranteed specific rights to individuals
Im not sure exactly what your looking for but it may be something on the lines of: Historians base interpretations of past events on first hand sources which consist of diaries and writing or recordings of people who were at the event. A long with other sources such as newspapers.
The answer is the canary islands