PAhistory lesson 18,19

When demand becomes higher, price becomes...

This economic systems uses a competitive, open market

Who built the nation's first oil refinery for making kerosene? 

Extracting metal from the ore

Who was the first person to successfully drill an oil well?

The goal of capitalism is to 

What was oil used for by shysters before it became a fuel/lubricant?

Who is credited with making the steamboat industry profitable?

A time when people left the farms to work in city factories

A by-product of coal used for smelting