In mexico, the expression porfiriato refers to
a. the revolution of 1911 that overthrew diaz.
b. any kind of authoritarian political oppression.
c. the oppressive rule of porfirio diaz.
d. the end of the political dominance of the pri in july 2000.

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.

there were abundant sources of fuel nearby