I couldn't really type it all but here's the answer
I think that the most correct one is B. Disease and civil war ravaged the Inca Empire. They didn't have conditions to protect from heavy diseases
Ensuring the uninterrupted flow of information' describes Redundancy and Resilience.
Redundancy can be explained as the arrangement of duplicate devices in critical areas in case the primary device fails.
Resilience is, by definition, the ability to recover and restore to normal functioning after a failure.
In order for resilience to exist, there has to be redundant systems. The use of these two principles is what ensures the uninterrupted flow of information.
Civilians did things such as mend clothing for soldiers, make ammunition from household silver, and many women followed their husbands to the battlefield where they washed, mended, and cooked for troops. Very few were able to fight in combat, but some women did.
Answer: A and C
Explanation: