Which statement about the open door notes is true? a.) they were sent to european powers b.) they were written by the japanese ambassadors c.) they were sent to qing dynasty d.) they were written by representatives of the european powers

A.) they were sent to European Powers

Explanation:

The statement that is true about the Open Door Notes is they were sent to European Powers. The open door note is a policy that was advocated by John hay. The aim of these notes is to protect China's interests and its trade relations with other countries. It advocated the equal treatment of all countries with China in foreign trade.