Brazil was once a colony of Portugal in the Americas, but it eventually got its independence after a relatively short war (1822 - 1825). To this day, many cultural traits are shared by Brazil, which...
They set up colonies there and kept trying to convert them to. Be roman-catholic, they also established a class system there. They enforced their culture on the natives
They fought a war just like every good country does. Not all of Latin America gained its independence at once. It took many years of fighting for each country to win their independence.