In Mexico, the expression Porfirioto refers to

Athe end of the political dominance of the PRI in July 2000.
Bthe revolution of 1911 that overthrew Diaz.
Cthe oppressive rule of Porfirio Diaz.
Dany kind of authoritarian political oppression.

Verified Answer :

It's Porfiriato.

and the answer is "C".

I'm Mexican so you can trust my answer 100%

The best and most correct answer among the choices provided by the question is the third choice "the oppressive rule of Porfirio Diaz."

Díaz administration. Mexico: The age of Porfirio Díaz. A complex mechanism in which all major and most minor decisions rested in the hands of the president evolved during the first two decades of the Díaz regime,or Porfiriato.

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