The inability of society to provide senior citizens with all of the prescription drugs that might be necessary is an indication of which problem?
O scarcity
O surpluses
O macroeconomics
O the "how" question
O the self-interest problem.

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

they wanted the u.s. to fight on the side of the central powers.

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.