Chief among environmental causes for physical difference in the ancient period were climate and geography.

Lullabies can be found in every culture and since the ancient period.

In the ancient period the people lived in four cities on the island.

there were four types of marriage during the ancient Arab period.

The river was known as the Dasharna in ancient period.

They continued to be used throughout the ancient and medieval periods into the modern day.

Even in the ancient period they was a plenty of life in that region.

There was an air cooling method in the ancient period.

Comparatives between modern and ancient periods are thus very difficult.

Women have long served in armies dating from the ancient period of 5,000 years ago to present day.