Answer:
I would go with B, "populations declined in urban areas"
Explanation:
For all 3, the urban population is much greater in 100 CE than 1000 CE. I find the graphs to be set up in a poor way and you'd expect them to have grown, so forgive me if I'm wrong.
The actual color of the sun is white.
Great Britain and the Soviet Union later on received lend-lease aid. <span />
D. Individuals own businesses, and they compete with one another for profits