Continuity mistake: At the end of the movie when Evan and God are talking under a tree in a field, God is holding a wooden staff. As the camera cuts back and forth between Evan and God, God's hand changes position from holding the top of the staff like a cane to holding the staff further down like a walking stick.
Continuity mistake: During the flood, if you look at the clothes of the people on the ark, they are completely dry, despite several waves crashing over the boat, soaking them.
Continuity mistake: The first bird poop on Congressman Long changes between shots (an extra smudge appears to the right of the main poop).
Continuity mistake: The lama spit gob on Congressman Long's forehead changes shape between shots.
Continuity mistake: When Evan and his family are standing on the ark just before the flood, Dylan's watch shows a completely different time than one of the spectator's watches - neither of which around 'midday' (noon) when the flood is supposed to happen.
Continuity mistake: In the first part of the movie, Evan is driving his new Humvee and several birds fly over and poop on the windshield. Of course he turns on the wipers and it streaks all over the place. When he is done, there are still obvious and large streaks on the drivers side yet during the next 10 scenes, the streaks appear and dis-appear several times.Most obvious when he parks and walks past the front of the vehicle.
Continuity mistake: In the scene where Evan's beard keeps coming back, the shaving foam on the rest of his face - which should be unchanged - changes between shots when he looks down, and then up again and sees the new beard.
Continuity mistake: When Evan is looking on his laptop at ark construction and the person comes into the room, he partially closes the laptop, but then next shot it is turned and open completely.
Continuity mistake: When Evan and his family get to his new house, and Evan tries to take the dog away from there, the sun changes between shots.
Continuity mistake: When Evan tries and fails to shave, you can see him using the same razor every time, but there is no hair on the razor or in the sink.
Answer: With it, Long would have been able to destroy the land, create another dam and get more houses built. However, like the first dam, he would have cut corners which would cause the new dam to eventually break.
They were members of the house of representatives.