Long an opponent of compromise in the face of efforts to tame wild lands, he was a primary force during the 1960's in preventing the construction of two major government dams in the Grand Canyon.
But if Haiti is to be rebuilt, or not merely rebuilt but transformed, then drug trafficking needs to be recognized for what it is, a primary force — arguably, the dominant force — in Haitian political life for the past 25 years.
"According to messages we got, HASA was a primary force in encouraging people who had never given to Harvard before and some who had never even bothered to come to a reunion before to do so," said Claire Mays Poumadère, a HASA organizer from the Class of 1981.
"People are always telling me I need to do more charity work," said Ms. Campbell, who, it is often forgotten, was a primary force behind successful benefits to raise relief funds after Hurricane Katrina and again after the devastating earthquake in Haiti last January.
In numerous systems, invasive species are a primary force altering the structure and function of communities.
The Kurdish Peshmerga is a primary force in fighting ISIL and holds a thousand-mile border with the terrorist group.
Governor Edwin C. Johnson, for whom one of the tunnels along I-70 was later named, was a primary force in persuading the planners of the Interstate Highway System to extend the highway across the state.
Predation pressure is a primary force driving morphological, physiological, and behavioral evolution in many fishes [1] [6].
