Answer:
There's a really long answer on quora when you look this up. Depending on how you're supposed to answer the question, I think it'll be able to help. Good luck! :)
<span>The Trail of Tears brought American Indians farther west.</span>
The signing of the Treaty of Versailles<span> could be seen as undermining the </span>Weimar Republic<span>. There were claims that the troops had been 'stabbed in the back' by the government, however the right wing elite, which had governed Germany through the war, denied this.</span>