Answer:
They were settled by the same people.
Explanation:
Both Jamestown (1607) and Plymouth (1620) were similar because they were settled by the same people i. e. English men. Jamestown is the first place where first settlement of 104 English men happen and in Plymouth, English puritans settle there in 1620 for having a peaceful life. Both places has good geography and has great economies due to growing of cash crops on their fertile land.