an example from the section "More examples" on cambridge.org:
(1) Is monarchy relevant in the modern world or should it be abolished?
Is it necessary to invert the word order in the second clause of compound interrogatives?
If it is not, then is there any rule about applying inversion in such cases?
my variant:
(2) Is monarchy relevant in the modern world or it should be abolished?
Is (2) correct?
If it is, then what's the difference between (1) and (2)?