PLEASE HELP!! how will the Louisiana purchase impact development and growth of cities?
i need the claim or predictions and reasoning

One specific historical event or development during the period 1786-1861?

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0

Wha industry did the refrigerated rail car impact the most