What is the reason hawaii and alaska are not considered part of the contiguous united states?

Contiguous means 'sharing a common border; touching' and so Hawaii and Alaska are not considered contiguous because they are not a part of the continental USA. Hawaii is an island and Alaska is connected to Canada- neither actually touch any part of the U.S..

The case was a u.s. supreme court decision that defined the scope of the u.s. congress's legislative power and how it relates to the powers of american state legislatures. the dispute in mcculloch involved the legality of the national bank and a tax that the state of maryland imposed on it.