A. Because you can picture it while the others are harder to picture.
Extending in scope or effect to a prior time or to conditions that existed or originated in the past; especially : made effective as of a date prior to enactment, promulgation, or imposition
Answer:
I think the answer is B
Explanation:
Mainly because it describes all of their daily tasks and duties, I'm not 100 percent sure but I think it is probably b
<span>When he made the speech, he was standing under the statue of Lincoln at the Lincoln Memorial.</span>