Answer:
Demand-Pull Inflation is a phenomenon where the demand for some service or good is greater than the supply. As the supply is not available at a certain moment, the seller raises the price of his goods, causing demand-pull inflation. This means that, when consumer demand increases, the seller must have prepared some additional supplies of the product. However, additional supplies are often unavailable, so other sellers raise their prices in order to earn more money on the demanded product.
This phenomenon is caused by rapid economic growth, increased money supplies and it is often related to the products of the strong brand.
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The map that is given gives you a hint to what the answer is. On the legend it states the hint, "people per km²". This tells us that the map shows the population density in South America. A population density map shows which areas have the most people to least people.
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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.
We kindly invite to check this question on Constantinople: brainly.com/question/20238247
