Answer:
Gutenberg's moveable type printing press invention
Explanation:
Johann Gensfleisch von Gutenberg in 1450, Mainz, Germany, was the first to assemble and bring together complex systems and subsystems necessary to print a typographic book which was sought by printers in different countries such s Germany, France and the Netherlands. Gutenberg's moveable type, made use of ink made from boiled linseed oil colored with lampblack.
The essence of open range was the free grazing of cattle on millions of unfenced acres of public land. It was possible to become wealthy raising cattle without owning any acreage. Although most ranchers owned a base operation, some owned millions of acres. America's open range started with the Civil War [1861-1865].