D.railroads transported raw materials and finished products
They made the concept of the use of paper money
Slavery developed in southern colonies due to large populations of native americans died due to the diseases the colonists brought over and then the indentured servants from england did not have the skill set necessary for cropping/harvesting tobacco but they realized people from africa were used to the labor intensive work and were able to work long hours in the sun which led to the spread of slavery through triangular trade.
"<span>A.
countries shown in dark blue" given the key these areas have a higher population making them more developed</span>
1. Grant was Union, so it is wrong
2. is correct
3. thats not leadership
4. Grant was a army officer, not Navy
Brainliest gives you and me points
THanks
