Urbanization. As industrial innovations took off, more factory jobs were available, more people moved to dense cities, and urban construction grew.
The answer is weathering. Weathering is where rocks or other materials are broken down because of forces like wind or water. This is different than erosion, which is the process where the broken down materials are moved.
Henry Ford paid his laborers well to amplify his benefit. He paid them more than laborers in comparable positions in serious organizations so he could limit turnover and keep the workers whenever they were prepared and experienced. By doing this he evaded costly preparing expenses and creation lulls which would have diminished his benefit.
This is important because if someone is falsely accused of a crime they are not automatically punished. They have the opportunity to defend themselves and have a jury listen to them