First of all, you should know who Paul von Hindenburg was. He was a famous German officer, statesman, and politician during WWI. For his many contributions during the war, he was rewarded with Neudeck. Neudeck was an estate that once belonged to his family in the past. Now, it was found in East Prussia, but he was given it as a gift nevertheless to honor his eightieth birthday.
In order to improve the stocks
Most people didn't have money because the banks had crashed. After the banks crashed, the US economy became very terrible and had a detrimental impact on the US government, which was also low on funds.
I think the answer is the Seminoles
No idea what primary research so i'm going to assume you mean primary source in which case it depends on the type of evidence, like if it's a personal account then that's a primary source but if it's someone telling of someone else's story it's not.
