Nile valley civilization was developed in about 5000 years ago. It was developed in the northern part of African country i.e Egypt.
Nile valley civilization is called the civilization of pyramid. This is because this civilization includes the construction of the most number of pyramids. The world's biggest Giza pyramid was also built at that time and it is still exist and regarded as the seventh wonder of the world.
Pyramid is a structure having a rectangular base and four triangular faces culminating in a single apex. Egyptians construct it to use it as a tomb. So that, they can keep the dead bodies inside it and the soul remains immortal.
Although the Egyptians made various temples but one of the most important temple was Karnak temple. It strikes the attention of all. It has 130 pillars inside the temple. Each pillar is 60 metres deep made by cutting the rock. On its entrance, there are four big statues of 20 metres high. This temple is also called the Sun temple.
The economic condition of Nile civilization was good. The main occupation of the people of Egypt was Agriculture. The Nile river brought flood-washed soil which was very fertile and helped to grow varietis of crops. So, Egypt is called the 'Gift of the Nile'. The people of Egypt irrigate wheat, barley, pea, potato, etc. They also did the jobs of smiths, carpentry, metal-craft, weaving, clay works, etc. They exported mainly wheat, linen and golden ornaments. They imported ostrich feathers, metal weapons, wood and silver. Trade is well grown in Egypt.
The Egyptian society was divided into three classes. The upper class which consisted of King, the royal family, aristocrats, priests and soldiers. The middle class consisted of traders and craftsmen. Those who were defeated and arrested in war were made slaves. The slaves were known as lower class.They believed in many gods who controlled nature. They worshipped sun, river, wind, the moon, etc. They believed in the reincarnation (rebirth) and immortality of soul.