[Lucius Cornelius Sulla]

‘The South definitely wanted to get Mexico and Cuba, where slavery was already in place.’

Slavery had been abolished in Mexico before Texas's’ Independence, and was a major reason for the tension between the Mexicans and the Texicans.

[Non-Sequitur]

Slavery had been abolished in Mexico before Texas's’ Independence, and was a major reason for the tension between the Mexicans and the Texicans.

That would have changed had the confederacy taken over any part of the country.

[AlanD]

That is why France installed Emperor Maximilian during the Civil War: to reinstate slavery in Mexico should the South prevail. After the Southern defeat at Gettysburg, France pulled the plug on Maximilian