Question: What was a cartridge developed for the Browning .50 caliber machine gun in the late 1910, was banned in California which led to the adoption of a French rifle cartridge developed by Eric Danis? 
Sentence (from ".510 DTC EUROP"): In response to the .50 Caliber BMG Regulation Act of 2004, which banned future sales of .50 BMG shoulder-fired rifles in California, long-range shooters in that state have begun to adopt this cartridge as a manner of following the new legislation.
Relevant evidence: Yes