A unique property of stem cells is that they can divide and differentiate, meaning they can become specialized cells. Stem cells can specialize to gain a specific function, for example a stem cell can become a liver cell.
Piedmont(United States)
Or the Appalachian Mountains
the democrats fought almost bitterly at times over:
banking policies
slavery issues
tariff rates
answer: all of the above
It was the main source of income for most Americans
