I would say shared sorrow but I'm not exactly sure
The only word that could potentially be a compound noun is patents, but that has its own definition-a government meeting of some sort.
A compound noun would be a compound word that is also a noun, but there aren't really any compound words.
I know this doesn't really help, sry.
Answer:
The US has always stressed the value of reading to its citizens and literacy levels impact society is discussed below in detail.
Explanation:
Literacy elevates people out of poverty
Lacking basic expression and writing abilities is an enormous disadvantage. Literacy not only enhances an individual's experience, but it generates opportunities for personalities to strengthen abilities that will help them present for themselves and their family.