<span>Alexander Palmer justified the Palmer Raids of 1919 and 1920 when Palmer warned of an imminent communist takeover.
A raid done on the Union of Russian Workers headquarters on November 25, 1919 uncovered a bombed factory hidden behind a false wall. This discovery lend credence to the threat of communist takeover.
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Ans: In geology, the crust is the outermost solid shell of a rocky planet, dwarf planet, or natural satellite. It is usually distinguished from the underlying mantle by its chemical makeup; however, in the case of icy satellites, it may be distinguished based on its phase.
the correct answer is bamboo and silk
Chinese have been the world sole producer of silk for several centuries, a commodity that often caused a balance of trade deficit between the country and the rest of the world. the secret of silk making was also protected with royal decree for a long time, which makes it a popular material for making music instrument. Bamboo is often preferred for its hollow inside.