I can describe the affects of the coloumbian exchange this waas the very beginning of the exibition work and we all worked in groups this took some refinement to do because me and my group had problams with the reading.

 i can research the main advancements in European technology in the 15th century   This was also sort of in the beginning and this was also in groups this project had showed a lot of effort because we had to read  a lot of paragraphs