The DNA must be equally distributed to each new cell to be identical to the parent cell. What needs to happen first, in order for the DNA to be the same in the new cells?

they need to duplicate

Explanation:

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

the answer is a. since they were a huge producer of cotton and wanted the most money for it.