Answer:
I can't answer 13, but 14 is silk, ancient China kept secret the way to make silk because (15) it gave them an advantage in trade (the silk road) because other countries would trade their goods for silk since china wouldn't tell them how to make it. Hope this helps!
<em>I believe freedom rule by another country is called Union.</em>
One sec i have to look back in my notes give me two min
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.
It helps them determine whether an assertion made by one source is likely to be true.