Why is it important to identify the dates of artifacts? (quickly ).

Museums use them to tell people when it was made and what it was used for in that time and what it did for that country or tribe.

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 britain and other european powers