In 1922, the U.S.-driven Washington Naval Conference resulted in the Nine-Power Treaty reaffirming the Open Door principles. In reaction to the Mukden Incident of 1931 in Manchuria and the Second Sino-Japanese War between China and Japan in 1937, the United States intensified its support of the Open Door Policy.
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It has been used for transport of materials and travel for humans, and it has also been used in fairs for rides
In the Senate, the Majority Whip ranks third (or fourth) highest in the majority party. The Majority Whip is outranked by
The Senate Majority Leader (also called Senate Floor Leader), who is a Senator elected by his or her party to serve as their primary spokesperson and to manage the legislative sessions. By custom, the Majority Leader gets priority when he or she wishes to speak during a legislative session.