Watershed is probabley the answer you are looking for
Answer:
Rome
Explanation:
Rome was one of the first strongest empires at the time, All they did was expand and expand also becoming the largest empire. The Empire demolished its opponents. But problems started to come whne people that were getting taken over wanted a say in governement become the roman republic. Allowing citizens to vote for who they wanted to happen until Julius Ceaser marched into Rome and took over the government becoming a dictator. Religion was changing as well with the coming of Jesus. This became a fight between the Roman Catholic Church and The Religio Romana(The Roman Religion) caused more tension between people. Finally invasions. Barbarians from the east started moving west into the roman empire. The Roman empire was so big. troops could not get reinforcements fast enough causing cities to get invaded before the roman empire fell becomeing the Byzantine Empire.
It can lead to food Scarcity, since the erosion will wash away the food which farmers have planted.
They are located in Iran.
