The Supremacy Clause of the United States Constitution which is found in Article VI, Clause 2, creates that the Constitution, federal laws made pursuant to it, and treaties made under its power, constitute the supreme law of the land. It is called the "linchpin of the constitution" because it joins the National Government and the states into a single governmental unit, a federal government.
Fulton<span>, </span>Robert<span> (1765–1815), inventor.Best known for his development of the first commercially successful steamboat in 1807, </span>Fulton<span> also made </span>important <span>contributions in portrait painting, canal engineering, and naval warfare. Born in Pennsylvania, he lived most of his adult life in Europe.</span>
What speech are you referring to?
I think that another ice age occured. It allowed people to see a different continent by lowering sea level and freezing over Berin Strait.