What did Lewis and Clark document?

The Lewis and Clark expedition was commissioned by Thomas Jefferson to explore and map the newly purchased Louisiana Territory, to identify a practical route to the Pacific Ocean, and to learn more about the native peoples who lived in the region.

What resources did Lewis and Clark find?

Lewis and Clark’s team mapped uncharted land, rivers, and mountains. They brought back journals filled with details about Native American tribes and scientific notes about plants and animals they’d never seen before. They also brought back stories—tales that made other Americans dream about heading west.

What were the 4 primary objectives of Lewis and Clark’s exploration?

The Lewis And Clark Expedition Begins Their mission was to explore the unknown territory, establish trade with the Natives and affirm the sovereignty of the United States in the region.

What 3 things did Lewis and Clark discover?

Lewis and Clark’s Scientific Discoveries: Plants

  • Osage orange. Scientific name: Maclura pomifera – Lewis first described this on March 3, 1804.
  • Broad-leaved gum-plant.
  • Lance-leaved psoralea.
  • Large-flowered clammyweed.
  • Missouri milk vetch.
  • Few-flowered psoralea; scurfy pea.
  • Aromatic aster.
  • Silver-leaf psoralea; silvery scurfpea.

Why did Thomas Jefferson hire Lewis and Clark?

President Thomas Jefferson commissioned the expedition shortly after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an American presence in this territory before European powers attempted to …

What was Thomas Jefferson’s underlying message to Mr Lewis?

Introduction. President Thomas Jefferson sent a secret message to Congress on January 18, 1803, asking for “the appropriation of two thousand five hundred dollars, for the purpose of extending the external commerce of the United States.” This money was used to fund the Lewis & Clark expedition.

Why did Thomas Jefferson establish the Lewis and Clark expedition?

What landforms did Lewis and Clark discover?

As it turned out, Lewis and Clark discovered that the Rocky Mountains were much more extensive and rough than expected (over 300 miles across in some places) and that the upper reaches of the Missouri River were not navigable. The supposed one-day portage was over 100 miles.

What was the purpose of Lewis and Clark’s journey?

What was the purpose of the Lewis and Clark Expedition? Lewis and Clark Expedition (1804–06) was a U.S. military expedition, led by Captain Meriwether Lewis and Lieutenant William Clark, to explore the Louisiana Purchase and the Pacific Northwest.

Why did Thomas Jefferson order the Lewis and Clark expedition?

How many things did Lewis and Clark discover?

122 animals
Throughout the Corps’ more than 4,000-mile journey, Captains Lewis and Clark recorded 178 plants and 122 animals not previously known to science.