#feedback Could the following be another way to answer Question3?

Maintaining maximum deterrence from aggression by other nations requires that a nation maintain a retaliatory force greater than that of any other nation.

1. Greater retaliatory force vs Lesser retaliatory force

2. Maintaining maximum deterrence from aggression by other nations.

3. A nation with GREATER retaliatory force

Andrew, you conveyed my thoughts precisely. The usage of the passive nominative (which is less than ideal grammatically speaking) can throw the reader off on this particular question.