The National Marine Fisheries Administration is part of "federal" law enforcement, since it is technically a federal agency that is a "cabinet-level" department.
Slash and burn agriculture would have been practiced most prominently in the river valleys of Egypt, since this is were lots of plant life existed, which needed to be eliminated to make room for fields.
The Sahel was the last area in the northern parts of Africa, where vegetation can survive and where people were living at the time. Following the Sahel to the North one can find the Sahara desert which is a natural barrier that no invading force could trespass.
The early stone age was the early time of the stone age. The human beings at this period used to live by hunting animals for food. But for hunting, they used some tools made up of stone, flint, bone, and antler. They also used to gather wild berries, nuts, and fruits from the trees available. They learned to use the animals for some of the other purposes. Both human beings and animals used to travel long distances in search of food, and hence never used to stay at the same place for long.
Hope this helps :)
The first American railroads carried <span>passengers and freight.</span>