I believe the answer is: proximodal trend
Proximodal trend refers to the period when children started to develop more specific muscle/ motor skills.
For people in general, our upper body tend to be developed at much faster rates compared to our lower body, which cause infants having to crawl first before they are able to walk.
They were made of sun-dried mud bricks in ancient Sumeria.
The whole continent was unified by the authority of the Church.
Explanation:
- While on the East, Byzantine Empire managed to preserve the solemn authority, the situation on the West was quite different.
- Numerous barbaric states were incompetent to unify the whole area, but the things changed when strong rulers of the Frankish Kingdom realized that they need the help of the church to make their authority even stronger.
- Catholic Church was actually the only institution that survived the previous era, and whose authority was recognized by practically everyone, including the Holy Roman Emperors.
Learn more on Catholic church on
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