Camel caravans that could travel over long, arid distances carried a significant amount of goods throughout the region.
Answer:
la puedes a sed a engles no se mucho español.
Answer: Hunting was probably easier. Farming was far more efficient.
In hunter gatherer societies virtually every able bodied adult is engaged in food production. In farming communities only a proportion of the population is engaged in food production, leaving the rest free to do stuff like become civilised.
Answer:
I believe the first question is B, and the second question is D. Apologies if I am incorrect.
The Qin introduced common coinage, meaning a form of ´fiat´ currency backed by the central government. It was called a ´ban liang´, and they could be issue by local nobles as well as by the emperor. A system of coinage is important for the unification of a massive empire because it facilitates trade and the recollection of revenue for the central government. As such, it becomes easier to raise a common army, which is essential for unification of different warring states.