Futurism was launched when the Italian Filippo Marinetti published his Manifesto of Futurism, calling for artists to test their ideas and forms against the new realities of a scientific and industrial society.

POET.

Explanation: Futurism was launched when the Italian POET Filippo Marinetti published his Manifesto of Futurism.

Published in 1909, the Manifesto of Futurism illustrates an avant-garde art movement focused on speed, the mechanical, and the modern, which took a deeply antagonistic attitude to traditional artistic conventions. It also advocated the modernization and cultural rejuvenation of Italy.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

is there multiple choice or do you need like an essay answer?