Assertion: rapier's length | /r/CapableOf | make the use of copper prohibitive
Facets:
Source sentences:
text: Because the length and intended purpose of a "proper" sword made the use of copper prohibitive, most historians tend to place the first appearance of a true sword somewhere around the 17 or 16th century BC, in the Black Sea region and the Aegean, during what would later come to be known as the bronze age.