Which of the following was a political innovation of Vijaynagara Empi…

The amara-nayaka system was a major political innovation of the Vijaynagara Empire. It is likely that many features of this system were derived from the iqta system of the Delhi Sultanate. Amara is believed to be derived from the Sanskrit word samara, meaning battle or war. It also resembles the Persian term amir, meaning a high noble. The military chiefs who usually controlled forts and had armed supporters, were known as Nayaks