Answer: Modernism.
Nationalism.
Microtonal music
I got this from the Internet don't use it if you don't want to
Explanation:
Philosophy is a critical factor in the development of good morals in the society, which is an important aspect of national development. This is, because, there can be no meaningful national development, if the members of the society are morally retrogressive and underdeveloped.
Answer:
The Double-headed serpent is an Aztec sculpture. It is a snake with two heads composed of mostly turquoise pieces applied to a wooden base. It came from Aztec Mexico and might have been worn or displayed in religious ceremonies. The mosaic is made of pieces of turquoise, spiny oyster shell and conch shell. The sculpture is at the British Museum.
Explanation: