It would be our 51st through 82nd IIRC. I think Mexico has 31 states.
31, plus Mexico City (D.F.).
It would be 31 new provinces like Puerto Rico. We need to take over all the way to the Panama Canal. No voting rights in congress or national elections, but required to implement minumum wage protection. We get their oil and create an alternative to dealing with OPEC. With this aim, it is a war that I would support. American empirialism has a place, when it promotes the ultimate safety and security of its citizens.
if you want a real war, just keep talking about annexing mexico as a new set of states to the usa. anyone with an iq above 3 knows that mexicans love their mexico ten times as much as americans love america in general.