Assess the impact of the Columbian Exchange on three separate continents (Europe, Africa, and the Americas). Each continent should be covered in a separate paragraph. There should be no introductory or concluding paragraphs.

The Correct Answer is

The exchange permanently changed the natural and human environments

Explanation:

Columbus underwent deep voyages and discovered present-day America. He also discovered the marine route which associated the old Eastern world to the new Western world.

After the establishment of the Sea route there was an exchange of goods with other countries started. But the negative impact was that people of Eurasia were not healthy with high levels of immunity.  

The interchange of food supplies initiated the arrival of dangerous diseases too and a major part of the European, Native American, and Asian population died causing a shortage of human labor, this gradually leads to the slavery of Africans.

the allies' desire to seek retribution for germany's actions

i think the answer is d. good luck.