Native Americans and many animals. There is forests, mountains. It's more than just open land.
Assuming this is the same question you posted before, the better historical argument deals with the idea that World War II began in part from the failure of the Treaty of Versailles.
The answer to your question is c
They would probably study a development of trade, Among others.
In some places, propertied women, free blacks, and Native Americans could vote. But I think it's D. because I know they could for sure....