Identify the nations that made up the triple alliance.

The three nations that made up the Triple Alliance were Germany, Austria-Hungary, and Italy. These nations stood against the three nations of the Triple Entente - France, Russia, and Great Britain.

It was formed on 20 May 1882 and renewed periodically until it expired in 1915 during World War I.  All the members pledged mutual support in the event of an attack by any other great power.

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)