Which of these best describes a primary rationale for the creation of the united nations? a) to prevent the outbreak of aggressive wars b) to establish a government for the entire world c) to monitor the economic growth of former colonies d) to ensure that poor nations would not be exploited by rich ones

Option A, to prevent the outbreak of aggressive wars, is the right answer.

Explanation:

An intergovernmental organization which aims to maintain peace at the international level is known as the United Nations. The main functions of the United Nations include maintaining peace and security, to achieve global cooperation, develop good relations with various nations of the world etc. The United Nations was founded following the conclusion of the Second World War to prevent future wars.

the qing dynasty placed strict limits on foreign merchants' ability to trade in china.

letter d is correct.