Which is a reason sumer declined as a civilization? sumerian city-states fought each other. sumerian rulers outlawed religion. the climate changed drastically. the tigris and euphrates rivers dried up.

I believe the answer is: Sumerian rulers fought to gain territory

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Because of the conflict that happened between sumerian rulers, The territory of the Sumerian empire started to be divided/separated into smaller empires. This make it much more easier for opposing empire or barbarian to conquer them and pick them apart, which lead to the decline of Sumer civilizations.

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: