Original sentence: Spain claimed what is now California from that time forward, but did not return to settle until 1769, when the first Spanish soldiers and missionaries arrived with the double-purpose of Christianizing the Native Americans facilitating Spanish colonization
Edited sentence: Spain claimed what is now California from that time forward, but did not return to settle until 1769, when the first Spanish soldiers and missionaries arrived with the double-purpose of Christianizing the Native Americans and facilitating Spanish colonization