Final answer:
In 1804, the government sent surveyors to the West, led by Meriwether Lewis and William Clark, to measure and map the lands.
Step-by-step explanation:
In 1804, the government sent surveyors to the West to measure and map the lands. Thomas Jefferson selected Meriwether Lewis and William Clark to lead an expedition to explore the new western lands and discover potential trade routes. From 1804 to 1806, Lewis and Clark traversed the West, mapping and documenting their findings.