According to the transcript for the video "Amazon Crude," in $1993,$ the Amazonians filed suit in the U$.$S$.$ federal system. It was Steven Donzinger's first big case. And it sat there for $9$ years while Texaco pressed what argument?

Steven Donziger was not authorized to represent the plaintiffs in court.

$$ This legal matter belongs in a court in Ecuador.

$$ The evidence had been obtained by a private investigator and violated chain of custody rules.

The plaintiffs had perjured themselves during the sworn statements required to file the case.