In colonial america, immigrants were transported to the new world "on credit" by the captain of the ship, who then sold their services to wealthy colonists who paid their passage. in return, these immigrants worked for a specified period of time and were known as

indentured servants; bonded laborers.

Explanation:

Indentured servants are the people who accept a legal contract with an employer to work for a fixed period in exchange to repay his debts or for other benefits. The benefits include transportation to a certain place and after reaching there food, clothing, and shelter are provided by the masters. Once the period of legal obligation is over they were granted freedom and sometimes some land was given to them to settle. It became one of the most used forms of labor in seventeenth-century Britain and later to American colonies.

b) they want the land taken away from the wealthy landowners and given to peasants.

i believe the answer is d.