Don’t fall for the links love!
I think it is slaves km pretty sure
This is the correct answer as to to <span>what extent has the presence of a true coelom in animals changed over the course of evolution:
</span><span>the presence of absence of a true coelom appears to have changed mutliple times during the course of evolution</span>
B.
They had control over Northwest India !
Here most appropriate answer, which is not a reason is "<span>embarrassment of there terrible living conditions and backward civilizations"
In short, Your Answer would be Option B
Hope this helps!</span>