Respuesta :

For many years, the mexican government was a democracy dominated by a one-party system; b. False
The correct answer is A) True. 

   A 
dominant-party system or one-party dominant system, is a system where there is "a category of parties/political organisations that have successively won election victories and whose future defeat cannot be envisaged or is unlikely for the foreseeable future. 

Hope this helps!

---JUSTAVERY
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