Camel caravans from North Africa carried bars of salt as well as cloth, tobacco, and metal tools across the Sahara to trading centers like Djenne and Timbuktu on the Niger River. Some items for which the salt was traded include gold, ivory, slaves, skins, kola nuts, pepper, and sugar.
The United States were established as a federal government, which means the federal power was given by the Constitution, but the Tenth Amendment was added to the Constitution, in 1791, as a way to limit the power of the central government and to highlight the rights of the States and the people. Thus the right answer is the option "The Tenth Amendment reserves the rights of the states, whereas the others only reserve the rights of the people".
Answer:
Complex villages were at risk for diseases.
Complex villages had artisans with special skills.
Complex villages stored food in buildings.
Explanation:
The complex villages were well connected and functioned as towns (though smaller), so being linked with the surrounding area and beyond led to risks of diseases.
The complex villages had permanent buildings, so this statement is not correct.
Complex villages had people specialized in certain fields, thus they had artisans with special skills.
Complex villages worked in a hierarchical manner, so this statement is not correct.
Having a relatively large population in small area meant that larger amounts of food are needed, which is why the food was stored in buildings in the complex villages.
Answer:
The biggest change that came with the printing press was that the books became a lot easier to come by. Not only were the books accessible now to a wider population, many more books could be written. Before the press most books were religious. Now science and poetry books and novels could be written. Philosophy and science spread in Europe a lot faster now. Renaissance spread out of Italy and throughout the rest of Europe.