Because one million children were orphaned, child-headed households were a result of the genocide in

Rwanda.

Explanation:

The Rwandan genocide, or the genocide against the Tutsi, was an intense mass genocide of specific ethnic groups such as Tutsi, Twa, and even Hutu in Rwanda, all of this took place on the 7th of April and the 15th of July 1994 during the Rwandan Civil War.

monarchy doesn’t have to have the hereditary element. there have been elective monarchies in the past where you choose your king-for-life and when he dies elect someone else for the job.