Slavery was incredibly divisive because the Us was expanding into the west, and each new state had to decide whether it was going to be "slave" or "free", so there was no middle ground in terms of how the extension of slavery would unfold. This led to the Civil War.
A two-thirds majority vote in both the House of Representatives and in the Senate is required to override a presidential veto. The exact number depends on how many representatives vote; therefore, the actual number is subject to change.
The key in the growth of the empire of Meroe was It was located by the Nile within the domains of the kingdom of Kush. It's location made it a crossroads for extensive trade, earning it a great deal of wealth.
They used it to record information
I think... Gainsborough and Reynolds.. not sure though.