US Secretary of State under Eisenhower from 1953 to 1959 and a leading Cold War opponent of the PRC. Chinese history books link him to the idea of 和平演变 (peaceful evolution).
John Foster Dulles was US Secretary of State during the Cold War.
Tips
history
At the 1954 Geneva Conference he barred his delegation from any contact with the Chinese side and refused to shake hands with 周恩来, China's premier and chief negotiator.
mistakes
In foreign names 勒 is read lè, as in 杜勒斯 and 希特勒 (Hitler). Its other reading, lēi, 'to strap tight', is the one in 勒紧 'to tighten'.