I feel that is a useful tool to the president, yes, at Thanksgiving every year at the White House, President Richard Nixon pardoned himself for the water gate scandal.
It would be "C. multistory dwellings built alongside cliff walls" that is not an example of an environmental adaptation made by early peoples of the North American continent, since these people usually inhabited flat lands.
I don’t know if this helps but I found a Wikipedia page with lots of useful information. Sorry I couldn’t give a straight up answer but I haven’t gone over this in class.
