The Columbian Exchange resulted in each of the following EXCEPT

population booms in parts of Europe, Asia, and Africa due to the introduction of new staple subsistence crops, such as maize, from the Americas.

economic instability in European countries, such as Spain, due to rapid inflation caused by increased resource acquisition and trade.

population booms among American Indian groups due to the introduction of new staple subsistence crops, such as wheat, from Europe.

the expansion of slavery in the Americas through European trade with West African kingdoms.