How did the Warsaw Pact differ from the North Atlantic Treaty Organization?

Formally known as the Treaty of Friendship, Co-operation and Mutual Assistance, the Warsaw Pact was created on 14 May 1955, immediately after the accession of West Germany to the Alliance. It complemented the Council for Mutual Economic Assistance, which was the regional economic organisation set up by the Soviet Union in January 1949 for the communist states of Central and Eastern Europe.

Explanation:

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.