How did the Jesuits work to encourage the Catholic faith?

the Societas Iesu is a male religious congregation of the Catholic Church which originated in Spain. The members are called Jesuits. The society is engaged in evangelization and apostolic ministry in 112 nations on six continents. Jesuits work in education founding schools, colleges, universities, and seminaries intellectual research, and cultural pursuits. Jesuits also give retreats, minister in hospitals and parishes, sponsor direct social ministries, and also promote of the ecumenical dialogue

How did the jesuits work to encourage the Catholic Church