Answer:
I don't know if this is the answer but I hope it helped
Explanation:
Invasions by Barbarian tribes
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders.
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.
Voters wanted to prohibition to continue. His running mate, John Nance Garner of Texas, Brought him many votes,The Hoover administration had not resolved the country's economic problems. Eleanor Roosevelt was able to swing the campaign in her husbands favor. <span />
A primary source comes from someone who lived during the time of the event or they were at the event. The reason why historians want primary source is because it is more likely to be factual and will give the best information. For example, at the signing of the declaration of independence several of the men who signed it wrote diaries . That would be considered a primary source, because those men were there and saw it as well as documented the event.
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