What region had small farms that provided just enough food for the family a) new england colonies b) middle colonies c) southern colonies d) triangular trade region answer quickly! i'm stuck on this question!

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.