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.