East and west of what exactly?
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Visitor Center is today, referred to Antietam Battlefield
Answer:
Between 1980 and 2010, global consumption of dry natural gas rose from 53 trillion cubic feet (Tcf) to 113 Tcf. Although consumption in North America saw the slowest regional growth in percentage terms (29%) from 1980 to 2010, the region accounted for more than 25% of the world's natural gas consumption during all years in the period. The Middle East had the highest growth rate, increasing more than ten-fold from 1.3 Tcf in 1980 to 13.2 Tcf in 2010.
Mercantilism consisted of lowering imports and increasing exports.
The system of mercantilism was developed mostly by the Dutch and carried on in their colonies, especially those in America.
Exports were goods that other countries needed, and so those needed to be increased.
Imports were goods that your country needed, and so those needed to be kept to a minimum.
An entirely self-sustaining country could be achieved with a high export rate, which would increase their wealth, measured at that time in gold.
The answer is the civilization of the Myans