Experiment with wage earners. Guerro, a socialite. Guerro starts trying to bring white European people in by paying for transport.
Colonos- share croppers. Swiss, Germany, poor people.
Side by side on same property, you would have slaves next to share croppers. European immigrants knew they were getting a raw deal.
1859- Prussia bans German emigration to Brazil.
Planters don't want a free rural class! No USA style frontier farming. Colonos were not down with this.