Answer:
A. Mary Whiton Calkins
Explanation:
Mary Whiton Calkins was a student of a renowned psychologist named William James. She was always regarded as a brilliant student by every professor that ever taught her.
In 1896, Mary Whiton Calkins managed to fulfill all the qualification to receive a doctoral degree from Harvard University. But she was denied because at the time that type of degree was only accessible for male applicants. But this didn't stop her from pursuing her career in psychology.
Her works keep receiving acknowledgement from experts ever since. In 1905, she managed to gained enough recognition to be appointed as the first female president of American Psychological Association
They made diplomatic relations between the U.S. and the Soviet Union possible
The Cultural Revolution was a wildly complex program that failed for a variety of complex reasons, but the best option from this list is "<span>people began to seriously question communism"</span>
The Missouri Compromise was thought to be a permanent solution for the issue of slavery. It kept<span> the US from leaning too much towards freedom or slavery. </span><span>This compromise divided up the land from the Louisiana Purchase. Hope this helps.</span>
