Since its very inception (September 27, 1821), constant conflict has characterized Mexico's political life. This is one of the reasons it hasn't reached enough economic or political maturity to be considered a developed nation.
If you mean what conflicts has Mexico fought in, the answer can be found on the related questions section.
True
Just one, the Distrito Federal which is the political entity where Mexico City resides.
3 million soldiers total
too many
In 2001, there were 59 dental schools in Mexico. Total graduates were 3,600.
There are many political parties in Canada. You can find out a total list of them on Answers.com.
The state of New Mexico has a total area (land and water) of 77,819,520 acres.
There are approximately 1060 species in Mexico, which account for 10% of the total species found in the world.
Brazil has 1 federal districts and 26 states
Some 56,802,477 or 50.5% of the total Mexican population.
Africa's ethnic conflicts have resulted in significant loss of life, displacement of populations, and humanitarian crises. Additionally, these conflicts have hindered economic development and political stability in many African countries, impeding progress and prosperity for the continent as a whole.
The site of Mexico City has had good farming land since several millenia ago, which has allowed increased population densities. Nowadays, it is the economic, political and cultural capital of Mexico.