Slaves were forbidden to leave the owner's property unless they were accompanied by a white person or had permission so in other words to keep them in check.
The answer you are looking for is option B I hope this helps you.
The Boers were immigrants from Germany, France and the Netherlands who settled in the First European Colony established in South Africa ( at present day Cape Town) in 1653 by a Dutchman called Jan Van Riebeek.
The Boers created very large farms which served to bring much economic gain. At first, the Dutch were only interested in establishing a supply base for the Dutch East India Company in 1652. But over the next 150 years, The Dutch and other immigrants which formed the Boer community moved further inland and began engaging in agriculture and other economic activities, thus encouraging more Europeans to come and settle there.
Different Regions, Different Jobs
The long coastline in New England allowed many people to take jobs in the fishing industry. The shipbuilding industry also grew. New England's many ports grew into cities. New England was a trade center.
