Provides crucial mobility in urban areas. The interstate highways provide a backbone transportation system that expedites urban trips for automobiles, buses, and trucks, while reducing traffic congestion on non-interstate arterials.
No, this would not be necessary - what would happen is regulated by the presidential line of succession: the Speaker of the House, and if illegible (e.g. not born in the US) the President pro Tempore of the Senate would become the next president.
B was not an intolerable act
Im not sure but I think it took him at least three years
Communist states in the east