they wandered from nation to nation, from one kingdom to another.
There was a famine in the land. Abram went to Egypt to stay awhile because the famine was severe.
Abram kept moving toward the Negev.
(You have kept a record of my wanderings. Put my tears in your bottle. They are already in your book.)
So the Egyptians put slave drivers in charge of them in order to oppress them through forced labor. They built Pithom and Rameses as supply cities for Pharaoh.
This is what the Lord of Armies says: Afterwards, the Glory sent me to the nations who looted you. Whoever touches you touches the apple of his eye.