Final answer:
The 1921 Russian exhibit marked the emergence of Constructivism, an art movement focused on social purposes and industry, influencing various design fields and movements like Bauhaus.
Step-by-step explanation:
The exhibit organized in 1921 in Russia announced the birth of a new movement in Russian art and design known as Constructivism. This movement originated in 1919 and represented a departure from the idea of autonomous art, advocating instead for an art connected with social purposes and industry. Constructivism influenced major modern art movements of the 20th century, including Bauhaus and the De Stijl movement. It had a significant impact on architecture, graphic design, industrial design, and other fields.