Around 1840 hope this helps! :)
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
a) They are elected by popular vote for 6 years
By selling Louisiana to the U.S. in 1803, Napoleon obviated the need to defend it against the British, and he may have hoped that the need of the U.S. to defend the territory (against the British) might have brought America back to its alliance with France.
Hope this helps
