Simplify the following text for a Grade 8 native English-speaking person.
Original: JoÃ # o Pessoa joined the alliance for the overthrow of the federal government , which successfully conducted GetÃ lio Vargas to Presidency .
Simplified: JoÃ # o Pessoa joined the alliance to the overthrow of the federal government . This group caused GetÃ lio Vargas to become president .