Step 1: Understand WTO.
WTO stands for World Trade Organization, which deals with rules of trade between nations
Step 2: Identify its objective.
The WTO aims to promote multilateral trade, meaning trade among multiple countries under agreed rules
Step 3: Eliminate other options.
Financial support is provided by institutions like IMF or World Bank
Global peace is not its primary function
Unilateral trade means one-sided trade, which WTO does not promote
Step 4: Conclusion.
Thus, the correct answer is multilateral trade