I'm not an expert on this but I'm speculating "fracking"
Which uses high water pressure to extract the coal.
From the first row of the table, at a price of $10, suppliers are not willing to make any shoes (quantity supplied of shoes = 0) since they will not make significant profit off of it.
In contrast, the demand is 500, since everyone would love to buy shoes at that very cheap price.
The rebellions that erupted throughout Latin America to overthrow Spanish colonial rule, left Mexico with an array of problems that touched upon events in the far northern Mexican province of Texas. Economically, the country faced devastation in 1821. It stood in marked contrast to the rich colony that had promised great potential towards the end of the colonial era. Money barely circulated. Once-rich mines struggled to regain their former efficiency. Ranches and farms were no longer productive. With the economy in shambles, thousands faced unemployment. Entire areas experienced depopulation as people sought out a livelihood elsewhere. Moreover, differences over class distinctions split the nation as the landed gentry, the military, and church officials sought the preservation of the antebellum order, wherein they ruled alongside government. Additionally, many of the country's new leaders had had little prior experience in governing.
Hmmmmm yea ask another cause i need more info
