Answer: In the NEED TO KNOW principle.
The need to know principle is a rule used in organisations to allow employees access ONLY the information and data needed for them to work.
In this principle, even if one has the rights to all the information in the Organisation, access will not be granted except they need to use he information to work.
This principle is mainly used in the military and in financial services.
The word would go by newspaper or boat tales. Or by soldiers telling. Or bystanders gossip.
All of these played important roles!
The mining industry enabled the excavation of many important and precious minerals which wre later used in differetn technological applciations.
The railroads increased the speed by which things were being transmitted.
The cattle business enabled people to sustain themselves through food.
The homestead act enabled people to become self-sufficient.
Lewis and Clarke brought back maps of were certain Indian tribes were which were friendly and which were aggressive the also brought sketches of animals they didn't see on the eastern side of the u.s and plants like melon etc.