Leisure time is always fleeting; no sooner had the Cuban crisis been resolved than Mexico encountered trouble. This time, the Americans were not mainly responsible; they were just smuggling arms to the rebel army.
Such actions would be carried out by somebody else, had the Americans not done so. The best arms dealers always sell weapons to the enemy.
As long as you have money, there's no need to worry about not being able to buy weapons. If you can't buy them, it's definitely because you're not rich enough.
The Mexican Civil War had been raging for many years and, initially, the Mexican government army had the upper hand against the rebel army. Now, it had come to a turning point.
In the autumn of 1868, the Mexican government army and the French Army jointly launched a major campaign against the rebel army. What was supposed to be a certain victory turned into a defeat for the government troops.