Read the selection and the statements that follow. Then check the statement that you think gives the main idea most clearly. Bedouin live in a traditional society. This means they live in much the same way their ancestors did. Customs and beliefs have changed very slowly. People who live in traditional societies have strong ties to the past. They fear that changes will make their lives worse rather than better. Values are passed on with few changes from one generation to the next. Yet changes do take place. Bedouin life at the time of Muhammad was different from what it was in ancient times. All cultures change, but they change more quickly at some periods than at others. In very recent years, changes have taken place very quickly everywhere—including the deserts of Southwest Asia and North Africa.