<span>Because we, as a society learn from our mistakes, and while you do not know now, you may play an important role in government or leadership where the lessons learned about that period may help to avoid the mistakes of the past. Remember, those who do not learn from their mistakes are doomed to repeat them. </span>
The main items traded were gold and salt. The gold mines of West Africa provided great wealth to West African Empires such as Ghana and Mali. Other items that were commonly traded included ivory, kola nuts, cloth, slaves, metal goods, and beads.
The purpose of the Lewis and Clark expedition in 1804-1806 was the first American expedition to explore the west, and map the newly acquired territory. They also wanted to find a practical route, and establish themselves. Studying the wildlife - plants, animals, etc - and establish trade with local indians was also an objective of the expedition!
The two executive powers that the constitution delegates to the senate are the power to confirm presidential appointments and the power "advice and give consent on treaties" formulated by the President.
