Question

the naval defense act caused britain to adopt the two power standard, this 1 point meant that their navy had to be stronger than what?
the next two non-european countries
the next two naval powers combined
twice the naval power of the next strongest country
the next two european armies combined.

Explanation:

The Two Power Standard was a naval policy. It meant Britain's navy should be stronger than the combined navies of the next two most powerful naval powers. This was a strategic approach to maintain naval superiority.

Answer:

The next two naval powers combined.