Because the policy of segregation practiced in the south.
a) hunter gatherers who built mounds
The various cultures collectively termed "Mound Builders" were inhabitants of North America who, during a circa 5,000-year period, constructed various styles of earthen mounds for religious, ceremonial, burial, and elite residential purposes.
Answer: They didn't want to face the consequence of kicking and taking their home.
Explanation:
The Congress of Vienna was convened in 1815 by the four European powers which had defeated Napoleon. The first goal was to establish a new balance of power in Europe which would prevent imperialism within Europe, such as the Napoleonic empire, and maintain the peace between the great powers