The author uses the word "immediacy" (line 39) most likely in order to express

In q4 sentence 3, it says Greek cities all had marketplaces or agorae. That meets the condition of the compound statement. If A ==> B or C which means that if GC ==> M or A. The instructor only marked If GC==> M. He left the A out. I watched the whole video and noticed it wasn’t relevant to the answers of the question but I’m wondering if he missed that part out on purpose or what?