I will give brainliest

No copying 15pts describe the belief in purgatory and explain the reason for the sale of indulgences.

Aside from low birthrates and high death rates, what can cause a country’s population to decline

7. how did the early egyptians use the flooding of the nile river to their advantage? they diverted the water to flood their enemy's lands and destroy their crops. they created an easier way to travel to the mediterranean sea and the indian ocean. they established a new water-based athletic event for the ancient olympics in greece. they devised an innovative irrigation system, which created a surplus of food.