Question

how do trade agreements of international organizations affect trade?
by incentivizing the development of trade policies
by eliminating tariffs and taxes on imports and exports
by encouraging countries to provide open access to trade
by helping smaller countries compete in the world market

Explanation:

Trade agreements of international organizations often aim to liberalize trade. Encouraging open - access to trade removes barriers and promotes more trade activities between countries. While incentivizing trade policy development is not the most direct impact, eliminating tariffs and taxes is part of open - access, and helping smaller countries compete is a secondary effect of open - access.

Answer:

by encouraging countries to provide open access to trade