Final answer:
Government stability is not an example of political instability but is rather the opposite, implying a predictable political situation conducive for international business operations.
Step-by-step explanation:
The option is not an example of political instability that can affect international company operations. Out of the provided choices, option 'b' Government stability is not an example of political instability. In fact, government stability is the opposite of instability and would typically have a positive effect on international company operations. Other options such as 'a' War, 'c' Revolution, and 'd' Terrorism are clear examples of political instability that could disrupt or negatively impact the operations of international firms.
To clarify this concept, it's important to understand that political stability is a situation where the political system, laws, and bureaucracy are consistent and predictable, which typically encourages investment and trade. Conversely, political instability involves situations with unpredictable and frequently changing political conditions, often leading to uncertainty for businesses.