Which of these interest groups would probably have the greatest influence on the passage of a bill in Congress? -a small group of conservative women favoring a bill that would limit abortion
-a coalition of arms dealers trying to influence the Defense Department to buy their products
-an anti-gun group lobbying for a bill requiring background checks in the wake of an assassination attempt on the president
- a prominent environmental group demonstrating in front of the White House against a bill that would reduce penalties for polluting