Answer:
B. Inventing the printing press
Explanation:
Johannes Gutenberg was a German blacksmith, goldsmith, inventor, printer, and publisher who invented the first printing press. The first working printing press was revealed around 1450 in Strasbourg. Before this invention, books were written by hand, which meant that there weren't many examples and that they weren't affordable. The invention of the printing press meant that the production of books became easier and that they became more affordable. Thanks to this, books and literature gained popularity.
Answer:
The immense success of Stravinsky's 1910 ballet the firebird established him as a leading young composer.
This type of scale is called a Chromatic Scale and uses all 12 semitones in between an Octave
