Economic historians have argued that Egypt was well-placed to undertake rapid economic development at the same time that the U.S. was. Both had rich agriculture, including cotton, the fuel of the early industrial revolution — though unlike Egypt, the U.S. had to develop cotton production and a work force by conquest, extermination, and slavery, with consequences that are evident right now in the reservations for the survivors and the prisons that have rapidly expanded since the Reagan years to house the superfluous population left by deindustrialization.