B. To rally support for American involvement in the war.<span>
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What option you have? Or answers
The answer is- Division of a place or country into several small political units, often unfriendly to one another. The term balkanization comes from the name of the Balkan Peninsula, which was divided into several small nations in the early twentieth century.
Because when the natural rubber supply from Southeast Asia was cut off at the beginning of World War II, the United States and its allies faced the loss of a strategic material. <span> So the companies, in collaboration with a network of researchers in government, academic, and industrial laboratories, developed and manufactured in record time enough synthetic rubber to meet the needs of the U.S. and its allies during World War II.</span>