Plants: Potato, maize, tomato, and tobacco.
Animals: Horses, pigs, and sheep.
Disease: Smallpox
The plants originated in America and were spread around the world after 1492. The animals were brought to America by Europeans along with Smallpox which devastated native populations.
A. Texas oil fields were in danger of drying up
All of the systems of government in the Middle Colonies elected their own legislature, they were all democratic, they all had a governor, governor's court, and a court system. Government in the Middle Colonies was mainly Proprietary, but New York started as a Royal Colony
I believe the correct answer is D.
The new technology always replaces the old.