What was one primary form of currency used to pay workers and collected as a tax in Sumer?

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

How did shays' rebellion reveal the need for a revision of the articles of confederation? a) shays' rebellion exposed the weakness of the central government as written in the articles of confederation. b) shays' rebellion strengthened the ideas of the anti-federalists in the need for a strong national government. c) shays' rebellion illustrated the need for organized local government factions to handle situations such as this. d) shays' rebellion encouraged others to rebel and eventually led to the overthrow of the first established government in the united states.

What conclusion can you draw about the connection between religion and feudalism? a. feudalism worked best in christian societies. b. feudalism could not operate in a society that was religious. c. feudalism was not successful in buddhist societies. d. feudalism could operate in societies with different religions.