Steel was not used by the Nubian.
The U.S. purchased the Louisiana Territory from France in 1803.
The important Intermediate-Range Nuclear Forces Treaty was signed following the Washington Summit on December 8, 1987.
The Intermediate-Range Nuclear Forces Treaty (INF Treaty, formally Treaty Between the United States of America and the Union of Soviet Socialist Republics on the Elimination of Their Intermediate-Range and Shorter-Range Missiles; is an arms control treaty between the United States and the Soviet Union (and its successor state, the Russian Federation). U.S. President Ronald Reagan and Soviet General Secretary Mikhail Gorbachev signed the treaty on 8 December 1987.
Ellis Island was the hub for millions of immigrants coming into the United States. Ellis Island functioned as the the first stop for immigrants coming into the United States from 1892 until 1954. Ellis Island now serves as a museum of the long immigrant history of the United States.
