To help teach others how to learn different subjects, including fun activities and to progress.
To 'rue' something means to regret it.
Sieve is a utensil consisting of a wire or plastic mesh held in a frame, used for straining solids from liquid
Line 4: “Keel” has multiple meanings. The first is the part of the ship that goes along the underside that gives the ship stability in the water. This usage really doesn’t make much sense, though, because one can’t see a “steady keel” unless the boat has fallen over. The other use of keel here is as a synecdoche. The keel, a part of a boat, is used to represent the whole boat. More importantly, "the steady keel" lets us know that, despite its rough trip, the ship (like the nation) remains steadfast and true.
https://www.shmoop.com/o-captain-my-captain/ship-symbol.html
What the question?? I don’t understand