Oil shale
It was discovered in the region in the 1970s. it spurred economic growth in the neighboring areas of Colorado. however major a discovery it was, the industry declined leading to copper, silver and gold being the most important mineral resource in the Rockies mountain.
i believe it is B) unalienable rights force the government to place no restrictions on liberty.
Byzantium was chosen as the capital of the Roman Empire for its strategic benefits, central position and excellent harbor.<span> Byzantium also symbolized a break from Constantine's predecessors.</span>
Answer:
Johann Gutenberg made the Gutenberg printing press that was used to print books faster and ore efficiently
Before the printing press people were forced to publish books by hand... which as you can imagine would take so much time... and effort (i could never lol)
but yeah he invented the printing press which these days is known as the printer
i really hope this helps