For which purpose would US government officials
have published a poster like this one?

There is no poster attached but if I had to guess the answer would be propoganda

Explanation:

Hope this helps if so vote brainiest.

a is correct

hope this let me know if it is right

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.