Civics is the study of rights and duties of citizenship, therefore you can relate the earthquake and tsunami deaths because emergency services would fall under the practice of civic. All emergency services go to natural disasters when they happen. Hope this helps.
Self-reliance
The Aztec's practices and cultures manages its people by group-orientation arrangements like family, or more elaborately extended family actions and others widely oriented on having two families altogether which was strongly unseen in the European individualists who relies on themselves.
