Complex sentence: Puritans in England were persecuted for their beliefs and practices, and Higginson was persuaded to join the Massachusetts Bay Company, who in 1629 obtained a Royal Charter to form a plantation in New England.
Split into simpler sentences: Puritans in England were persecuted for their beliefs and practices. Higginson joined, and in 1629 the Company obtained a Royal Charter to form a plantation in New England.