GENERAL KNOWLEDGE

Detailed explanation-1: -The Treaty of Bern was signed on October 9, 1874, establishing what was then known as the General Postal Union. The treaty provided that: There should be a uniform flat rate to mail a letter anywhere in the world. Postal authorities should give equal treatment to foreign and domestic mail.

Detailed explanation-2: -The 1874 Treaty of Bern succeeded in unifying a confusing international maze of postal services and regulations into a single postal territory for the reciprocal exchange of letters. The barriers and frontiers that had impeded the free flow and growth of international mail had finally been pulled down.

Detailed explanation-3: -Universal Postal Union (UPU), specialized agency of the United Nations that aims to organize and improve postal service throughout the world and to ensure international collaboration in this area.

Detailed explanation-4: -Under this treaty, member nations, including parts of Europe, Britain, and the United States, standardized postal rates and units of weight. They also set forth procedures for transporting ordinary mail. Ordinary mail included letters, postcards, and small packages.