Roger Sherman and the Connecticut Compromise. In Article VI of the Constitution of the United States, the framers declared, This Constitution... to be the supreme Law of the Land..
Copper gutters are very corrosion-resistant, so they will endure even in harsh conditions and areas with a great deal of acid rain. It is also sturdy, and it meshes well with a wide variety of roofing materials, including slate, cedar shakes, and composite roofing.
Slate is used in buildings, roofs for example, Slate tiles are often used for interior and exterior flooring, stairs etc, and because it is a good electrical insulator and fireproof, it was used to construct early 20th century electric switchboards and relay controls for large electric motors.