Answer:
C) To prevent environmental problems and disasters. Government regulation is an important part of American society today.
Because the Mississippi river offered resources.<span />
France lost nearly all of its North American possessions after losing the French and Indian War to Britain.
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