Option B is right that the to encourage people to settle in the colonies was the purpose of the Headright system.
Began in 1618 at Jamestown in Virginia, the Headright system was a method of granting the land legally. This system was created to attract immigrants and it was an attempt to solve scarcity of labor in Virginia, caused by the appearance of the tobacco economy. The Headrights were awarded to anyone who would agree to pay the shipping costs of the labor or slave. accordingly, colonists who were living in Virginia were given with two Headrights, and the migrated Colonists were awarded one Headright and the individuals received one Headright every time they paid for the journey of another individual. Plantation owners benefited from the Headright system when they met for the transportation of imported slaves. The increasing money amount required to bring bound slaves to the colonies and this contributed to the shift towards slavery in the colonies.
A dictator is a ruler who came to power forcefully and ruled over a country without consulting the people. In Roman republic, they might have come to power in a crisis because you are forced to follow a dictator you are not given any other opportunity.
Why did Chinese limit trade with foreigners to the Port of Canton? so that it could be easier to collect taxes on imported goods & wanted to regulate trade.
The spanish conquered the great Aztec and Inca empires by bringing diseases to kill most of them off quickly, scaring them with the horses, and using their more advanced superior weapons to kill them