The answer is A
i'm filling out character space now
A high lying plane. India: deccan plateau
C. Low-paid workers and their families
"<span>a. overcrowding and growing drought" would be the best option from the list, since Indonesia is mostly a series of small islands which makes territorial expansion impossible. </span>
The three things that brought about the fall of Rome when they all hit at once are:
1. multiple civil wars
2. economic collapse due to inflation
3. repeated invasions from all over
Rome used to be the most powerful country that ruled most of the world, but over time, its strength started to wane. In the end, due to many reasons, such as these above, it was forgotten and gave way to new countries being created.