It seems to be true from the other dudes answer
The way you worded the question is a bit odd, but it seems like the answer your looking for is the Japanese Empire.
China lost the Sino-Japanese War.
In the beginning, of the Civil War the North and South were not fighting over slavery. But as the War progressed, it suddenly became a War about freedom. Thus, A, The War would bring an end to slavery, is your answer.
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>