Classification as a dead letter is one of the few instances where postal personnel are allowed to violate secrecy of correspondence, ostensibly to search for clues as to the letter's origin or destination.ith increased collection and study of the postal markings originating from such offices, the body of literature on this obscure topic may grow. Many countries, including Canada and the United States, have issued special labels for envelopes that have travelled through the dead letter office.
Mena, Arkansas. Mena (/miËnÉ/ MEE-nÉ) is a city in Polk County, Arkansas, United States. It is also the county seat of Polk County. The population was 5,637 as of 2000 census.
A region encompassing approximately 22 countries in the Middle East and North Africa. The MENA region accounts for approximately 6% of the world's population, 60% of the world's oil reserves and 45% of the world's natural gas reserves.Due to the region's substantial petroleum and natural gas reserves, MENA is an important source of global economic stability.Next Up.he following countries are typically included in MENA: Algeria, Bahrain, Djibouti, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Libya, Malta, Morocco, Oman, Qatar, Saudi Arabia, Syria, Tunisia, United Arab Emirates, West Bank and Gaza, and Yemen.