<span>flood control
military</span>
Answer:
The North European Plain
Explanation:
The North European plain is the most populated region of the four mentioned in the question.
This was not always the case, and until the Middle Ages, the North European Plain was sparsely populated. However, ever since, its population has been growing, because despite having a climate that is wet and cool the majority of the year, the soil is very fertile, and the lack of physical geographical barriers makes it easier for human dwelling.
A. 20 is what i know and what i found online hope its right.
It is C because with the mountains other countries could not attack one another as easliy because it would be mpre effort and loss of men
During the Muslim conquests and the reign of the Caliphates, the people that were conquered were treated in terrible manner in general. The Caliphs wanted their religion spread among all the people they ruled over, which led to forcing the people to accept the Islam against their will, the ones that opposed were usually murdered and enslaved, there was an Arabic assimilation going on, and multiple systematic genocides. The women that were not Muslim were taken as slaves in the harems as the holy book was suggesting exactly that. All the people that were not willing to accept the faith were tortured, harassed, enslaved, murdered, didn't had any rights, and were considered as beings on the same level as the pigs, filthy creatures that do not deserve to live. The biggest damage was done toward the Christian and Jewish communities.
