Answer:
It is estimated that 30 - 60 % of the European population died during the Black Death epidemic.
Explanation:
The population fell a lot due to the black plague, in addition to the subsequent Hundred Years War that devastated France, which was one of the many wars that happened in the period of anarchy and chaos that came into the world after the plague, which led to the need to form unified states over time
A Primary Source Is like a letter signed by George Washington, Like something that experienced the event, But a secondary source is like a textbook explaining the events of World War 2
All major Indian religions (ie. Buddhism, Hinduism, Jainism, and Sikhism) believe in reincarnation. Many historic cultures did too. Namely historic Greek figures such as Pythagoras, Socrates, and Plato.
Hope this helps! :)