Tsundere is a pretty common term used in the anime community but there are still many who don't know what is actually means. Tsundere is actually a term derived by fans to classify a type of anime character that is becoming more common, usually a female lead.
Throughout the Corps more than 4,000-mile journey, Captains Lewis and Clark recorded 178 plants and 122 animals not previously known to science. Lewis recorded and pressed and preserved some 240 different plant species and brought them back to Washington, along with hundreds of animal and bird skins and skeletons.
Lewis & Clark Expedition. In 1803 President Thomas Jefferson guided a splendid piece of foreign diplomacy through the U.S. Senate: the purchase of Louisiana territory from France. After the Louisiana Purchase Treaty was made, Jefferson initiated an exploration of the newly purchased land and the territory beyond the great rock mountains in the West. He chose Meriwether Lewis to lead an expedition, who in turn solicited the help of William Clark.