Read the excerpt from "Say No to GM Food."
They know it would take decades to properly test and
research the subtle effects that GM food is having on the
greater population. And they are willing to wait. Most US
research is conducted by the GM companies
themselves, like Monsanto, who have a vested
interested in perpetuating the so-called "safety" of their
products.
What is the meaning of "perpetuating" in this context?
improving
maintaining
overcoming
creating