Which of the following inventions destroyed the first market for petroleum?
a. the light bulb
b. the automobile
c. plastics
d. frozen foods

The light bulb (A) destroyed the first market for petroleum.

Before the invention of light bulbs, petroleum rather than electricity was used to light homes, streets, and everything in between. After the light bulb became common place, the need for gas lighting diminished, therefore effectively destroying the first market for petroleum.

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.