So b and D are wrong the answer is A
Answer:
Growing a surplus of food
using irrigation in farming
trading between city-States
being located near rivers
Explanation:
Just answered the question on Clever
In the west, the definining feature of the modern era is the development of all forces of modernity, i.e., science, reason, democracy, liberty and equality. Medieval is in fact a term that is used to describe a societal period that lacked all these features.
Actually, the categories what are included as the exclusive powers of the Federal Government include those that are expressed or enumerated, implied power, and inherent power, except for RESERVED POWER. This is the kind of power which is the opposite of expressed power. Hope this answer helps.
The international attitude was the world wanted revenge through a peace treaty and holding Germany accountable for all the damages.