<span>The Buffalo Soldiers comprised one of the most interesting military aggregations in post-war Texas. On July 28, 1866, the U.S. Congress authorized six regiments of black troops – two of cavalry and four of infantry – to be added to the U.S. Army. The nickname "Buffalo Soldiers" was given by Indians, who thought that the tightly curled hair of the black soldiers resembled the curly hair on a bison's face. Since the bison was revered by the Indians, the nickname was considered a term of respect, and the Buffalo Soldiers proudly featured a bison on their regimental crest.</span>
Answer: Working under committee chairman Sam Ervin (D-North Carolina), the committee played a pivotal role in gathering evidence that would lead to the indictment of forty administration officials and the conviction of several of Richard Nixon's aides for obstruction of justice and other crimes.
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