The Nile river helped unify upper and lower egypt
Essentially, because they knew they were human and could easily make mistakes that would take a long time to show. Additionally, they wanted future generations to be able to change the Constitution if the government started abusing it. Both of these problems are covered in the amendment process.
Power divided between the national government and the states
The first City Southern Black migrated to after leaving the rural areas and hence became a blues hotbed was known as Harlem. Harlem is the major African-American residential, business and cultural center until today. The African-American residents began to arrive in large numbers in 1905 as part of Great Migration.
Supreme Court nominations