Answer:
positive- allowed for people to buy more at one time
negative- railroads made ranchers move their cattle due to routes
Explanation:
OPEC'S members consist of the countries that had the most natural Gas/oil reserve and control most of the oil/gas and market in the world.
Often time, to control the situation in the market, OPEC will rely on its members to respect the quota of export so they can keep the condition of the supply/demand in the market stabilized
Northen and Eastern hemisphere.
A. Transcontinental railroad
