Question

international economic organizations try to help the global economy by
making it easier to communicate quickly.
managing competition between nations.
keeping peace between nations.
regulating consumer prices.

Explanation:

International economic organizations aim to manage competition between nations to promote a stable global economy. Communication facilitation is more of a technological or logistical aspect. Keeping peace is a role of political - focused organizations like the UN. Regulating consumer prices is often a domestic or regional economic policy task rather than a core function of international economic organizations.

Answer:

managing competition between nations.