It should be accompanied by a requirement for all history and social studies teachers to pass the same exam prior to being allowed to continue to teach.
Agreed!
I graduated HS in 1973. We had a senior class called “Problems of Democracy”, taught by a very patriotic WWII vet. Each one of us had to pick a time to stand before him and repeat the preamble to the Constitution. I was dumb as a box of rocks and misunderstood him and, instead, recited the first part of the Declaration of Independance. He never said a word, just passed me. God bless him.