What is the function of the necessary and proper clause of the Constitution

Because of the housing bubble, many houses are now selling for much less than their selling price just two to three years ago. there is evidence that homeowners with virtually identical houses tend to ask for more if they paid more for the house. what fallacy are they making?

List out the effects of corruption in nepal plz answer fast plz

The second westward surge reached the: mississippi river, appalachian mountains, oregon territory