Which of the following situations best represents a hereditary change in leadership? a. a president leaves office, and a political rival is elected. b.a legislator resigns, and the country elects a replacement. c.a queen dies, and her son becomes king. d.a general seizes power and establishes a military state.

‘A queen dies, and her son becomes king’ denotes the hereditary change in leadership.

Explanation:

When a country or state which is governed by a King or a Queen is called by Monarchy. They inherit their position from their family which is generally called as 'Royal Family'. So when a queen dies, her son will become a king. This system constitute a hereditary change in leadership.  

According to the rulers, the monarchy is classified into two types, they are constitutional monarchy and absolute monarchy. In a constitutional monarchy, the ruler's power is limited by a constitution. But in an absolute monarchy, it has unlimited power.