I think it’s having to do social customs or habitual or customary usage
The correct answer is C - res publica.
The res publica were a class of people which we would today consider to have been the early aristocrats of Early Rome. Later on, the class of wealthy romans and those who had power were called the patricians.
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>
The German economy was especially vulnerable since it was built upon foreign capital, mostly loans from America and was very dependent on foreign trade. When those loans suddenly came due and when the world market for German exports dried up, the well oiled German industrial machine quickly ground to a halt.
They were all products of Enlightenment philosophies.