Answer:
Marketplace competition drove producers to innovate and improve products.
It helped increase the population of the US
It was the "oil crisis" that was one major cause of the recession in the United States in the 1970s, since many countries in the Middle East cut prices to manipulate prices. This put a focus on alternative energy sources that continues today.
D I believe :)
Protect not only the property but also the property owner from the danger of slave violence.
Image result for In the early 19th century, state governments in the South passed slave codes
Inherent in the institution of slavery were certain social controls, which enslavers amplified with laws to protect not only the property but also the property owner from the danger of slave violence. The slave codes were forerunners of the Black codes of the mid-19th century.