The court case constantin brancusi v. united states determined that was a piece of art, and not a kitchen utensil as u. s. customs believed it to be.
a.
wild turkey
c.
pigeon stance
b.
birds in flight
d.
bird in space

The answer is (d.) Bird in space

The court battle in between Constantin Brancusi and the United States custom placed in 1926 - 1927 in where the customs refused to believe the tall, thin piece of polished bronze as a piece of art which is the Bird in Space. But after the case, the US Custom finally believed it was a piece of art instead of a kitchen utensil.

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.