“We are at the end of our string. There is nothing more we can do.
Physical Geography is the study of the surface’s natural features and processes. This could include land formation, distribution of plant and animal life, as well as climate.
Constantinople was able to survive due to its <em>strategic</em> location and <em>sofisticated</em> system of fortifications.
Constantinople was able to survive as the <em>central</em> hub of the European culture throughout the early 1000s due to its strategic location, the city was located in a strait between the Black and Mediterranean Seas, between Europe and Asia, which allowed the city to be prevented from many invaders, from Hunes to Arabs.
In addition, the city counted with a sophisticated system of fortifications which made impossible any attempt of siege until the appearance of first developments on modern artillery in the 15th Century, and the city was well communicated with the most important nations in Eastern and Western Europe by sea (i.e. Italy, Carolingian Empire, Kiev' Rus), of which the city may receive reinforcements in desperate situations.
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Answer:preserved learning
Explanation:it was none of those answers because Verified by Expert. The contribution that the Catholic Church made to society during the early Middle Ages was that they preserved learning. Because only a few people could read or write during the Middle Ages, the Church ran most of the schools so that its clergy could be educated
