I do believe the answer would be B
Answer:
Many Americans left farms and headed to the cities because the industrial revolution opened up many jobs in the cities. Also, the industrial revolution created more farm technology that allowed farmers to do the day's work with fewer people. This led to mass unemployment and peoples' dispersal into cities. This also caused cities to grow.
Answer:
Explanation:
The technique use by the Zapotec to farm steep mountain terrain was through canal irrigation.
The Zapotecs make use of the water from small streams which caused them to be able to provide water to Monte Albán which was located 400 meters above the valley floor. Even after many years the Archeologist found the remains of minor irrigation system such as Dam and a canal on the south eastern parts of the mountain.
Answer:
Explanation:
Over time, its economic and military might waned and along with it, the empire's capacity to seize an opportunity. Add in civil unrest, natural disasters and powerful enemies such as the Arabs, Seljuk Turks, Bulgars, Normans, Slavs, and Ottoman Turks, and you can see why the Byzantine Empire eventually crumbled.
The main reason why the Ho Chi Minh Trail was important to the North Vietnamese and the NLF was because it provided for vital supply lines for the Viet Cong during the war.