Answer:
To attract rich landowners to his colony
Explanation: Calvert Cecil was an English Roman catholic, who was born in the year 1605, he led Maryland for forty-two years, he made Maryland to be tolerant to religions especially the Catholic church and Christians who generally believe in the trinity.
He was pivotal in the enactment of the Religious tolerance act in Maryland named the TOLERATION ACT in the Year 1649, his main goal was to attract rich landowners to his colony.