What grade is this question from?
Answer:
1 however
2 despite
3 in spite of
4. on the contrary and rather than
I don't think war is important unless another country wants to start one, then i think it is important to try and win, so that the country wanting to war knows not to mess with your country. but i don't believe that someone should go looking to start a war whenever it is unnecessary.
Hope i helped. -Sheckelstein.
B) Deride
Deride means to ridicule or mock
Therefore it is the most suitable option for the context of the sentence.