How did john winthrop change the government of massachusetts

To start off, John Winthrop served as the first official governor of Massachusetts. He was a part of the Massachusetts Bay Company who got a charter to make a colony in New England. John Winthrop became a part of this company because he sold his property and promised that his family would go to the United States of America if the government company would also immigrate to the said country. 

Idon't think any of em are right, you need to add the number of what paragraph you got your citation from