Actually every single one is correct, A<B<C they all are factors in the decline of Sumer.
Answer:
His natural talents were mediocre and intellectually Robespierre was inferior to the leaders of the revolution, such as, Danton or Mirabeau.
Explanation: hope this helps :D
The correct answer is - he is the current president of Chechnya.
Ramzan Kadyrov is the the current president of Chechnya. Unlike the former presidents of Chechya that were in constant conflict with Russia, he is actually in very nice relations with the Russian authorities and they have a nice collaboration and mutual support in the recent years.