Well Pike's explorations established the Oregon Trail. It was explored by Pike in 1806. He observed that the place is unfit for human habitation because of the lack of timber and surface water.
According to the
census of 1790, there were about seven hundred thousand slaves of African
ancestry lived in the colonies, (precisely 694,280) with the most living in the state of Virginia where <span>292,627 enslaved Africans were counted. Although
there had been some skepticism about the counting that it might be undercounted. </span>
The correct answer is - Atlas Mountains.
The Atlas Mountains are the highest mountain range in Northern Africa. They are located alongside the northwestern part of the continent on the territories of Morocco, Algeria, and little part in Tunisia.
This mountain range borders the Sahara Desert on the south, and the Mediterranean Sea and the Atlantic Ocean on its north, with the Strait of Gibraltar also being in the middle.
The Atlas mountains are formed in the Alpine orogenesis, and the land started lifting up because of the collision between the Africa and Eurasian plates, a process that still continues in the present.
In his Nobel Prize acceptance speech, Al Gore pauses to allow the audience to laugh as he pokes fun at his political career