Why can't we buy everything we want

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?

Do all accounts serve the same function? why or why not? yes, all accounts people increase their money no, some accounts are for saving and others are for investing yes, all accounts are designed to ensure a retum on investment no accounts serve the purpose that their owners choose