Which example best shows the idea of self-sufficiency?

a
purchasing coffee at a trading post
b
attending a one room school house
c
going to a tavern to eat dinner
d
spinning wool to make your own clothing

Your answer is D.) spinning wool to make your own clothing..( sorry if im wrong)

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

hey,

i hope you are having a wonderful day

the correct answer is :

{b.}   ( american workers lose job opportunities )

hope this : )

    -sprinkles