A The invention of the printing press in the 1450s helped spread the Renaissance beyond Italy and encouraged the growth of vernacular literature, which would eventually contribute to the development of national cultures.
Answer:
Population movement or changes in food source.
Explanation:
D ? Idk lol I just need points but good luck though
I hope its not too late to answer...
the people farther away from rome were more prone to attacks and raids, news from rome took longer to reach them, they were not as controlled due to lack of reinforced rules and lack of guards