Jared Diamond discovered that the topography of the Eurasian continent is wider, the width of Eurasia from east to west is around 8,000 miles. Meanwhile the America continent is longer, the length of America continent from north to south is around 8,000 miles. Since the Fertile Crescent is in the middle of the Eurasian continent, and because the west and east of the Eurasian continent share the same latitude, the same day length, the same climate zone and the same vegetation as the Fertile Crescent, the civilization easily spread horizontally west and east in Eurasia. ... Another example is i...

• Word Count: 1394
• Approx Pages: 6

It's thought that the first Homo Habilis initially lived in open bush and savannah country in East Africa. It is thought that they were not capable of migrating out of Africa since no remains of Homo habilis have been found somewhere else. ... They first lived in Africa where the first finds were in Rift Valley of Africa and in South Africa. ... Homo Sapiens: Homo Sapiens evolved after the Homo Erectus about 300,000 to 400,000 years ago in Africa. ... After being in Africa, eventually, they started migrating to the Middle East, Europe, and Asia where they replaced Homo erectus populat...

• Word Count: 2009
• Approx Pages: 8

It is currently widely accepted that as modern human beings emerged from Africa some 100,000 years ago, this new species spread eastward, through Asia, even to Australia, before any of its members entered what must, to people from a warm continent, have seemed a cold and inhospitable environment. ... After this happened about 35,000 years ago, some 1200 generations were to pass before civilization, in the form of farming, spreading from the Middle East, began to supplant the hunter-gatherer economy of the Stone Age inhabitants of Europe. ... It was westward to this agricultural society &qu...

• Word Count: 1527
• Approx Pages: 6
• Grade Level: High School