Answer:
The growth, or development, of city populations
Explanation:
The river's predictability and fertile soil allowed the Egyptians to build an empire on the basis of great agricultural wealth. Their farming practices allowed them to grow staple food crops, especially grains such as wheat and barley, and industrial crops, such as flax and papyrus
One example would be economic opportunities. The possibility of a better job would pull someone to a new country. Hope that helps!
The fall of the Roman Empire
The British Army sustained many casualties.
Answer: YW! Brainlest, please & thanks <3
Explanation: Johann Gutenberg's invention of movable-type printing quickened the spread of knowledge, discoveries, and literacy in Renaissance Europe. The printing revolution also contributed mightily to the Protestant Reformation that split apart the Catholic Church.