History repeating itself...

It doesn't, Dave, unless you mean you found the word "conservative" in a historical account and are trying to use it as a spring board for a political campaign ploy in the current U.S. situation.
Those conservatives in Paris were exiles. They assured Napoleon III that the Mexican people would support a monarchy and a strong religious state.
Napoleon III had an intense dislike for the United States and the Monroe Doctrine. The Monroe Doctrine stated that the United States would oppose any European invasion into the Americas. A French stronghold in Mexico would thwart the United States' growing power and strength. Napoleon III appeared to bank on the fact that the United States, in the midst of its own civil war, would not interfere in the events in Mexico. Put crudely, an opportinity to grab a foothold while the grabbing was good.
Trying to imply that those who you brand as "Conservatives", in the current U.S. meaning of that word, are trying to impose a monarchy and a strong religious state in the current situation is too much of a stretch, even for "KonkelHistory