This is known as a "pocket veto," since it would be impossible for the President to return the bill, due to the fact the Congress is not in session to accept it. Otherwise the bill would be returned.
The Egyptians may have required writing from the Sumer
The main reason why the border states did not secede in 1860-1862 was because they were concerned with the large amount of military coercion that was taking place in the South, and they felt that the South was ultimately unjustified in removing itself from the Union.