The urban subject matter and tighter brushwork of Georgia O'Keeffe's The Radiator Building—Night, Night York is a direct result of the artist's relationship with .

the answer is Alfred Stieglitz

Explanation: The urban subject matter and tighter brushwork of Georgia O'Keeffe's The Radiator Building—Night, Night York is a direct result of the artist's relationship with Alfred Stieglitz. Alfred Stieglitz provided her with opportunities by introducing Georgia O'Keeffe to European modernist tendencies in 1908 and this lead to the regular display of her artwork at his gallery and exposure to other working artists. Georgia paintings impressed Alfred, the black, grey and blue colors dominate the canvas in O'Keeffe's City Night.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

no because it could make the world a terrible place to live in.