The word to fill the
blank space is "Writing".<span>
Complete sentence is as below:
In early Mediterranean civilizations, the development of an extensive
trade network and a bureaucracy that could manage record keeping was based on
writing.</span>
<span>Record keeping is as important in contemporary times as it was in ancient
times, a skill which has helped human civilization cross many barriers. </span>
One reason for the development of amn early civilization in the Tigris-Euphrates river valley was that.<span>periodic flooding </span>left<span> rich soil, which was ideal for farming.</span><span> </span>
Japan has many mountains, thus, the outsiders could not easily enter Japan and Japanese could not leave the country. And, thus the self-isolation was helped by the presence of a mountain terrain. This policy was implemented by Togukawa, who insisted on preventing Japan from foreigners.
Answer:
As the first Roman emperor to claim conversion to Christianity, Constantine played an influential role in the proclamation of the Edict of Milan in 313, which decreed tolerance for Christianity in the empire. He called the First Council of Nicaea in 325, at which the Nicene Creed was professed by Christians.
Explanation:
