The major cause of shifts in political allegiance during this time came from the Great Depression, which required strong government intervention to correct the issue. These interventions became commonly ascociated with the Democratic Party, thanks to FDR.
<span>Physician and pioneering activist </span>
The correct answer is the last option: <span>The treaty ending World War I caused great resentment in Germany.</span>
From England to America it took 10 weeks.
There is no greater jump in human history in terms of warfare than the jump during World War I and the jump during World War II.
World War I marks the first major debut of killing technology onto the world stage. This included airplanes, chemical weapons, and more.