Some believed that the Constitution did not give the new federal government the ability to restrict inherent rights, so no list of those rights was necessary. Others worried that if the rights were listed, they would invariably forget some and the list would ever be incomplete. Finally, the argument was that the states each had their own constitutions, too, and that rights were best protected at a state level.
D. The Spanish-American War resulted in all these territories becoming under the United States.
How prices serve as an incentive in a market economy is whenever there is a decline in the supply of a particular commodity, what the suppliers do is increase the prices, and in contrast, when there is enough supply, they decrease the prices as well. Hope this answers your question.
A- gold because it is considered abiotic
Farm life as more behind in technology while cities were more fast-paced, had more jobs and used more technology.