It was the Federal Constitution of the United Mexican States of 1824. The Mexican Federal Constitution of 1824 was Mexico's first constitution, drafted after the overthrow of Emperor Agustín de Iturbide. The Constitution of 1824 transformed Mexico into a federal republic, governed by a national president, congress, and supreme court, but with lots of power also given to the states.
The answer is European nationalism
Working in war factories in the West is the correct answer :)