Demographic research regarding the Salem Witchcraft Trials show that:
A. Most of the accusers were from Salem Village
B. Most of the accused were from Boston
C. Most of the 'witches' who were executed were actually members of an occult society.
D. Most of the accused lived in Salem Town

Oil and gas

Explanation:

If we only focus on natural resources, then we can say oil and gas are commodities profitable enough to justify the formation of settlements due to the need of nearby workforce. Here are some examples:

In Texas you can find a huge amount of oil wells and that has boosted the cities to grow to satisfy the demand of qualified workforce to extract the oil.Natural gas is not different from oil in this sense. Extracting gas requires many types and amounts of profesionals and technicians, which us why  creating settlements near the gas zones is a common practice. Riohacha in Colombia has an industrial complex only oriented to gas extraction.