Confederations tend to be established for dealing with critical issues, such as defence, foreign affairs, foreign trade, and a common currency, with the central government being required to provide support for all members.
Note that historical confederations, especially those predating the 20th century, may not fit the current definition of a confederation, may proclaimed as federation but be confederal, and may show some qualities that are today recognized as those of a federation.
Confederation was form of military alliance of szlachta in Poland and Lithuania XIII-XIX centuries against the King.
Confederations tend to be established for dealing with critical issues, such as defense, foreign affairs, foreign trade, and a common currency, with the central government being required to provide support for all members.
Note that historical confederations, especially those predating the 20th century, may not fit the current definition of a confederation, may be proclaimed as a federation but be confederal, and may show some qualities that are today recognized as those of a federation.
Confederation was form of military alliance of szlachta in Poland and Lithuania XIII-XIX centuries against the King.