History shows the dangers of illegal immigrants. If not regulated and controlled we could lose our country. The best example in history goes back to the 1600's. The Native Americans had uncontrolled borders. Europeans started coming over by the boat load. The America's provided greater economic opportunity and religous freedom. Before long the European immigrants overwhelmed the native population and took over the land. They took the native population and put them on reservations. If we are not careful, this could happen to us.