Answer:
Meriwether Lewis - he was the leader of the expedition, and he had an enormous responsibility to explore the recently acquired territories of Louisiana. Because of his appointment by President Thomas Jefferson, Lewis was anxious and worried if the attempt would fail.
Wiliam Clark - he was an explorer, and he was appointed by Lewis because of his experience to deal with the native people. Clark was not an amateur, but the anxiety to explore a brand new territory and the complex relations with the natives were not a surprise.
Sacajawea - she was a native American and the guide and interpreter of the expedition. She was cheerful to help Lewis e Clark, especially with the possibility to increase the presence and the contribution of the Native Americans in the development of the country.
York - an African American explorer, first enslaved by Clark. Because of his strength, he was responsible for the heavy labor of the expedition.
Explanation:
European rule resulted in segregation for black people, and the division of the country with separate land being reserved for blacks and whites, which led to apartheid, a harsh system of racial segregation.
An astrolabe is an instrument formerly used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating latitude, before the development of the sextant. In its basic form (known from classical times), it consists of a disk with the edge marked in degrees and a pivoted pointer.
The first European was the French.
The French came to Ohio around the 17th Century. By the mid 1600s, this territory became the new France, one of the territory belonged to the French Empire.This become the reason why more than 20% of Canadian population speak French language.