Answer:
b) Madeleine Albright was the most important U.S. secretary of state because she improved relations with China, fought the spread of nuclear weapons, and traveled to North Korea.
Step-by-step explanation:
This thesis statement presents a clear argument that Madeleine Albright was the most important U.S. secretary of state. It states three main reasons to support this position: her improvement of relations with China, her efforts in fighting the spread of nuclear weapons, and her travels to North Korea