Many who stayed behind began fighting among themselves. The city-states grew weaker.
10 of the modern day countries that were once part of the Roman empire are Italy, Spain, Portugal, France, Belgium, Switzerland, Monaco, Syria, Egypt, and Turkey. There were many more and also parts of other modern day countries as all of the ancient borders were not the same as today's borders.
Iraq, Syria, Lebanon, Israel and parts of eastern Turkey.
During the decline of the Roman Empire, the empire was split into a western and eastern half. The capital of the western half was Rome, until it was invaded and captured by the visa-goths from modern day Germany. The eastern half was centered around Constantinople or modern day Istanbul After the collapse of the eastern empire, the western half was renamed the Byzantine Empire. So the Byzantine Empire was the eastern half of the Roman Empire.
The main impact which the Byzantine Empire has had on the modern societies of many eastern European countries is the spread of Orthodox Christianity by Byzantine missionaries.
Austria, France, Slovenia, and Switzerland
Eastern Europe had yet to become industrialized. This would include countries such as the Russian Empire, the Ottoman Empire, Bosnia and Herzegovina*, Albania*, and the Kingdom of Romania. * = has the same name as a modern day country but is not the same as this modern day nation.
Francethat the answer
syria
This was when some of Eastern Europe's modern day countries became independent
Around 2/3rds of modern Mexico
Yes, there is drinking water in eastern Europe. Countries there are modern and developed.
The eastern roman empire, which in modern times, is referred to as the byzantine empire and in their day as the roman empire. also the religion wasn't explicitly Greek orthodoxy, Eastern Orthodoxy would be a better umbrella term.