Preposition of Reason indicates some relationship of a noun or pronoun with regard to some reason, cause or purpose.
These prepositions include to, for, with the view to, in order to, so as to, because of, due to, for the purpose of, etc.
- My father has gone to a meeting of diplomats that has been organised in Japan.
- Your suffering is because of you only.
- Rachna purchased a neck-tie for her brother.