Answer:
Agriculture allowed people to stay in one place, and increased food production caused the population density to expand far beyond levels that could be sustained by hunting and gathering alone. This growth in population density provided a critical mass of people to sustain and spread contagious infectious diseases.
ireland has severe problems between its north and south alot in the past too
but a recognisable country would be south korea and north korea
Answer:
Located in Central Europe, the Alps stretch across the countries of France, Italy, Germany, Austria, Slovenia, Switzerland, and Liechtenstein.
I don't quite understand your question.
The answer is A oil spills
