Dewey Decimal is library classification system. It helps to locate books in the library appropriately in order to generate topics by creating library classification system. The Classification helps to organize library materials by field of study. Main divisions are philosophy, social sciences, science, technology, and history. The system is made up of ten classes, each of them divided into ten divisions and which each one has got ten sections. Using Arabic numbers, three whole numbers makes the main classes. Then following numbers make sub-classes and further divisions. The classification is hierarchical and the same hierarchy is used for the system.
Dangerous fearful and dark
Answer:
To write their letters home, soldiers purchased paper, envelopes, ink and pens from sutlers. Stationary makers printed many styles of patriotic stationary and envelopes with engravings of camp scenes or political humor and these were quite popular among soldiers.
Answer:
C.
Explanation:
It's the logic. Hope this helps.
The answer could be, Secrets.