What organization's goal is to maintain international peace and security?

Fa o compunere despre o casa in copac va rog frumos i-au nota

Which sentence uses the verbs correctly?

How should i study korean, and how many hours should i study it? i am a high school student already learn japanese in class, also i play sports so i tend to not study korean much because i have an excuse, like, ‘i dont know how to properly study for korean’ 감사합니다