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>
Yes. Because democracy is the tyranny of the majority. Thats why we are supposed to be a constitutional republic, that way minority rights are protected against mob rule.
It was important because it was marked by extensive discoveries and inventions in Science, Technology, Engineering, Art, Dialectic, Literature, Logic, Mathematics, Astronomy, Religion and Philosophy.
It was the Early and High Medieval periods