Upper Mantle layer is what produces magma that causes sea floor spreading and volcanoes. :)
Answer:
Traders moved their goods across the Sahara in large groups called caravans. Camels were the main mode of transportation and were used to carry goods and people. Sometimes slaves carried goods as well. Large caravans were important because they offered protection from bandits.
Explanation: HOPE THIS HELPS<3
North korea!~~~~~~~~~~~~~~~~~~~~~~
However, Ancient Rome was to develop its own form of government that allowed the Romans to govern themselves. Citizens of Rome would gather at an assembly to elect their own officials.
