There are multiple factors such as disease and invaders from outside and even conflicts within Rome but maybe the invaders were the problem because they ended up being the reason why Rome fell.
The answer is C because of more usable land
The draft is one major way
the second would be the change from peace time production to war production hope this helps sorry if it doesnt
You can find the amount used in making bread by taking what she started with and subtracting what we know she used for the cakes and what she ended with - that will give us the amount used for bread:
So the answer will be...
3 19/36 pounds
Hope this helps!