How did ancient farmers deal with scarcity of land and water growing crops

How was classical persia's extensive network of roads important to its civilization?

The "nationalists" and fascists battled against the "republicans" and communists in a civil war in the 1930s in

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.