What resulted in the population increase during the 1100

During the year 1100, the European population was around 61 million, and by 1500, the population was around 90 million. Q: Why did the population increase in Europe during the Middle Ages? The population grew in medieval Europe largely due to climate change.

Explanation:

frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. but frederick disliked rifle shooting and horseback riding. unlike his father, he was interested in french literature. he enjoyed poetry and music and, like some others of the enlightenment, he scoffed at religion. his father thought him soft, frivolous and unmindful of his duties. and when frederick refused to put his signature on a right to succession, for a few moments his father strangled him.

a was not the right answer