Answer from the internet: The Jesuits' first missions were established along the Parana and the Paranapanema rivers, in Paraguay and Brazil respectively. By the time the project ended, with the abrupt expulsion of the Jesuits in 1767, there were more than 30 thriving mission towns, sheltering more than 100,000 Indian people.
MY words: The Jesuit state of paraguay was established in 1767, with more than 30 mission towns, making homes for more than 100,000 Indians. They espablished it along the paranapanema rivers (in paraguay and brazil)
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