Lewis and Clark are linked to the exploration of

Expedition, (1804–06), U.S. military

Explanation:

Lewis and Clark Expedition, (1804–06), U.S. military expedition, led by Capt. Meriwether Lewis and Lieut. William Clark, to explore the Louisiana Purchase and the Pacific Northwest. The expedition was a major chapter in the history of American exploration.

The Louisiana Territory

Explanation:

answer; the correct answer to the above statement is to increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mother;