The answer is reunification under the Eleventh Dynasty after
period of defragmentation did rulers of Egypt accomplish during the Middle
Kingdom. When the Eleventh Dynasty reunified Egypt it had to create a central
administration such as had not occurred in Egypt since the downfall of the Old
Kingdom government. To do this, it chosen people to positions which had fallen
out of use in the decentralized First Intermediate Period. Highest among these
was the Vizier.
The Cash and Carry Policy was all of the items purchased had to be paid with cash and then shipped from the United States on the buyers on personal ships. President Roosevelt got around the cash and carry requirement when Britain couldn't meet the terms anymore by creating the "Land-Lease Act." This allowed the United States to lend or lease arms to any country that was considered a vital asset to the defense of the United States.
