I would assume that c would be the answer, because stonewall jackson had very little importance, other than being used for propaganda. You can always replace a general. But D could also be an answer, but it's very unlikely. And also what victory are you referring to?
Meriwether Lewis and William Clark are best known for their expedition from the Mississippi River to the West Coast and back. The expedition, called the Corps of Discovery, was President Thomas Jefferson's visionary project to explore the American West. It began in May of 1804 and ended in September 1806.
Almost all humans to a certain extent are dissatisfied with the limited availability of resources, but if you're speaking from an academic point of view, it would be Economists, since they study choices made from this limited availability.
