The name William Clark probably doesn’t ring a bell for most Americans, but he’s big in Japan – or at least, a few of his words are. William S. Clark was a native of New England, born in Massachusetts in the first half of the 19th century. He went on to join the Union Army and had a meaningful influence in the Civil War. However, perhaps his most meaningful influence came not in physical warfare in the United States, but in spiritual warfare in Japan. During the late 1800s, Japan was intent on modernizing the country and invited a variety of academics from across the globe to help towards that…