No, they are Mexican citizens.
The US citizens and his troops is what caused anger among the Mexicans. This was done in history.
If Mexican nationals apply for US citizenship they might get legal papers, IF they are accepted as US citizens.
1985
US citizens may join the French Foreign Legion. Iran has peculiar citizenship laws which may not recognize a child born of Iranian parents (whether still Iranian citizens or naturalised US citizens) as a US citizen, and will require that child to perform compulsory military service when he reaches military age. However, most military forces of the world are not as prone to accepting foreign volunteers as the US military is.
US citizens.
The right to vote is guaranteed for all US citizens. So they would apply for US citizenship, then register to vote, like the rest of us citizens. Unless you mean getting the right to vote in Mexico.
She was originally Swedish, but she might be a naturalised US citizen by now.
the US did nothing to protect the Mexicans and their properties , the US government was glad to take over; plus the treaty of Guadalupe is not valid because MEXICO was under the guns of the US army , so it has to be decided in the international courts, until now the US took over this Mexican land by force.
Mexicans
2,400 mexicans
Some rich South Asians were granted full British citizenship under the British, they have not naturalised as Chinese citizens.
If they were born in American or become American citizens, then they are Americans.