Ummmmmmm. try " in the long run, it is clear that though they might be thought of the same, there are many diffrences between x and y." Not sure if thats what you ment.
Answer:
Odysseus has the defining character traits of a Homeric leader: strength, courage, nobility, a thirst for glory, and confidence in his authority. His most distinguishing trait, however, is his sharp intellect.
Yes to make readers think that there is nothing serious about his story
Answer:
(i) It was very hot hence I could not go out.
(ii) The room is small therefore it can not accommodate all of us.
(iii) It is a good book, however I borrowed it from my neighbour.
(iv) Aditi was very terrified, as a result she couldn't speak.