Which of the following factors was key to the formation of the first civilization in the nile valley?
a: nomads acquired more livestock to increase their wealth.
b: the region experienced a surplus of food.
c: artists created art to pass on to future generations.
d: farmers lived near a river that never flooded.

Select the correct answer.look at this nineteenth-century illustration of london. which explanation best relates this illustration to changes in britain in the 1800s? a.factory workers in cities lost their livelihood because of the lack of housingb.industrialization narrowed the inccome gap between landowners and workers.c.the migration of workers from rural to urban areas resulted in overcrowded citiesd.the spread of railways allowed farmers to sell produce far from where it was grown.