Know a days there are border fences around the world trying to keep immigrants out or keep them in. Building a border Fence in the U.S wouldn't work or help the immigration problem because all it does is buy time for the U.S to react to the immigrants trying to cross. Eventually knew plans such as cutting through the fence and digging under the fence will come to play and the U.S wouldn't know what to do.
The border wall has led to the deaths of thousands of humans. Studies have estimated over 5,000 migrants have died from dehydration and drowning. Many bodies lie undiscovered in remote areas- wallace 2004. The immigrants are coming here to try and get a better life then the ones back at home. I could understand if they were trying to do harm to the U.S and try and establish war but majority of the foreigners want to give their families better