that the burning of the U.S. flag was a constitutionally protected form of speech under the U.S. Constitution's First Amendment.
The answer is in the text of the passage
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Deng & Modernization
Following Mao's death, China began looking for solutions to its economic difficulties. ... This plan was called the Four Modernizations, and was focused on four target areas of industrial modernization: agriculture, industry, science and technology, and the military.
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