A political machine is an organization that commands the votes of a certain population by getting campaign workers and other people to spread the word through pamphlets and other means of communication.
The nation that the allies thought was going to pose a long term threat was Germany.
It is important because chronological thinking is important when reading a historical narrative because it enables the reader to examine the relationships among the historical events and to explain the historical causality. A historical narrative focuses on the chronological order of history. Historical narrative is event driven and tends to center on individuals, their actions, and their intentions. One must practice chronological thinking in reading this type of narrative so that one can fully understand the reason behind every action and consequences that still impact the present time.
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The Great Depression was the worst economic downturn in the history of the industrialized world, lasting from 1929 to 1939. It began after the stock market crash of October 1929, which sent Wall Street into a panic and wiped out millions of investors.