Many cities were incinerated during the war.

The correct answer is A. destroyed.

Incinerate means to burn something completely to ashes. It is a more extreme form of destruction than the other options.

Shaken means to cause something to move up and down or from side to side violently. This is a less severe form of destruction than incineration.

Bombed means to attack something with bombs. This can cause damage to buildings and infrastructure, but it does not necessarily mean that the target will be completely destroyed.

Burnt means to be on fire. This is a less severe form of destruction than incineration, but it can still cause significant damage.

In the context of the question, it is clear that the cities