The Treaty of Greenville of 1795 made Native Americans give up most of their land in Ohio. I hope this helps!
Answer: They are known as the Hill Complex, the Valley Complex and the Great Enclosure. The Hill Complex is the oldest, and was occupied from the ninth to thirteenth centuries. The Great Enclosure was occupied from the thirteenth to fifteenth centuries, and the Valley Complex from the fourteenth to sixteenth centuries.
Explanation:
The main difference is which part of Europe they came from, and the numbers of immigrants. There were many, many more "New Immigrants'" than old, 20 million people between 1880 - 1920. And the New Immigrants came mostly from southern and Eastern Europe, which meant they were almost all Catholics.
B. The fire happened in 1871