Silent letters include b, c, e, h, k, n, p, s, u, and w, while silent letter combinations include 'gh'. Each one is associated with its own rules and exception
In 1967, the Northern government attempted to build a Sudanese nation state on a cornerstone of Northern Arab Muslim identity, deliberately ignoring the religious and ethnic diversity of Sudan and led the country into civil war.
Answer: Your Answer is A. Georgia
Explanation: Georgia was already a state and was not considered unexplored territory during the the Lewis and Clark expedition.