All of that describes James Madison though.
Answer:
Syphilis
Explanation:
Syphilis, it was treated because Lewis and Clark brought a vaccine, for it. They where infact well prepare to treat the disorder.
It doubled the size of the previous size of the us
That era, between the 80s and World War 2 is called the Allotment and Assimilation era. During this time period, it was a goal of the country to give some property to Native Americans and help them become more like Europeans and Americans who lived in the country.
While many Russian soldiers were on the front during World War I, most of those who remained behind responded to the February Revolution by "joining the riots instead of stopping them," although there were many loyal soldiers as well.