Historians believe that around 300 C. E., the introduction of camels began to transform trade in North Africa, and the animals started to make larger scale trade possible. Many Independent merchants sought safety in rembers by traveling in a group called ​

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory