​Which of the Following Best Defines the "Domino Theory

Multiple Choice

​Which of the following best defines the "domino theory?"

A) ​the idea that policymakers recognize their generalizations can be called "theories."
B) ​the notion that acquiring new generalizations leads to additional ones.
C) ​the idea that one state cannot democratize if it has autocratic neighbors.
D) ​the idea that if one state in a region becomes communist, others will follow.