internationalism

Short definition from Wiktionary

Noun

1. 1
   Political, economic and cultural cooperation between nations.
2. 2
   A loanword that occurs in several languages with the same or similar meaning and etymology.
3. 3
   A major architectural style that was developed in the 1920s and 1930s and was closely related to modernism, characterized by lightweight industrial materials, lack of ornamentation, and flat surfaces.