State the objectives of WTO?

Following are the objectives of WTO
(i) To ensure reduction of tariffs and other trade harriers imposed hy different countries.
(ii) To engage in such activities which improve the standards of living, create employment, increase income and effective demand and facilitate higher production and trade.
(iii) Facilitate the optimum use of world’s resources.
(iv) Promote an integrated more viable and durable trading system.