What is the relationship between the development of trade and the development of technology?

Do you guys know all the answers to this

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation

Which modern technology has not made a great difference in the inuit way of life?