Executive agreements? OR An autocrativacry?
As far as I remember, the major purpose of the Truman Doctrine was to rescue Greece and Turkey from communist takeovers. According to the fact that the main idea was to go for nation which is being under threat from any type of authoritarian, this answer is the only suitable.
Hope it helps!
Answer:
A. The shogunate asserted military control when called to put down a peasant revolt.
