First or 1st is the ordinal form of the number one (#1).
The concept of First World originated during the Cold War and included countries that were generally aligned with NATO and opposed to the Soviet Union during the Cold War. Since the collapse of the Soviet Union in 1991, the definition has instead largely shifted to any country with little political risk and a well functioning democracy, rule of law, capitalist economy, economic stability and high standard of living. Various ways in which modern First World countries are often determined include GDP, GNP, literacy rates, life expectancy, and the Human Development Index. In common usage, as per Merriam-Webster, "first world" now typically refers to "the highly developed industrialized nations often considered the westernized countries of the world".
War is a state of armed conflict between states or societies. It is generally characterized by extreme aggression, destruction, and mortality, using regular or irregular military forces. Warfare refers to the common activities and characteristics of types of war, or of wars in general. Total war is warfare that is not restricted to purely legitimate military targets, and can result in massive civilian or other non-combatant suffering and casualties.
The world is the planet Earth and all life upon it, including human civilization. In a philosophical context, the "world" is the whole of the physical Universe, or an ontological world (the "world" of an individual). In a theological context, the world is the material or the profane sphere, as opposed to the celestial, spiritual, transcendent or sacred spheres. "End of the world" scenarios refer to the end of human history, often in religious contexts.
Denn nur vom Nutzen wird die Welt regiert.
For the world is ruled by interest alone.
The world cannot be translated; it can only be dreamed of and touched.
Dejan Stojanovic in The Creator, “World II” (Sequence: “The Dream Chamber”).
"Do unto others as you'd have them do unto you" is the greatest phrase ever written. If everyone followed that creed, this world would be a paradise.
Stan Lee Unlikely Saints Stan Lee