cuba
Guam
Panama Canal zone and Alaska.
Pureto rico
Panama Canal zone and Alaska.
Guam, a territory in the western Pacific Ocean, is the closest possession or protectorate to the United States. It is approximately 3,800 miles away from the west coast of the U.S., making it the closest geographically. Guam has been a U.S. territory since 1898 and plays a strategic role in U.S. military operations in the Asia-Pacific region.
July 4th, 1776. Honestly I was looking for this answer in reality yet I'm answering it now, :P
no
Cuba and the Philippines.
The North American Continent (except for Hawaii, Puerto Rico, other US territories and protectorates)
Because they aren't inhabited (or are very sparely inhabited) In 2009, the US released quarters featuring Washington DC, American Samoa, Guam, the US Virgin Islands, Puerto Rico and the Northern Marinara Islands. The other US protectorates such as Midway Atoll and Baker Island are not inhabited and so they don't have quarters because of their low significance.
It had not been forbidden in the US Constitution.