Has any president appointed 3 supreme court justices

Gettysburg address question. lincoln uses the images of birth and rebirth in this address. why?

Canada economy usa test prep i am stupid i don’t get it

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.