<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
A way to divide countries, states and cities i the best way to define sectionalism. The correct option among all the options that are given in the question is the first option or option "A". It can also be defined as a kind of political loyalty to a person's region or state. I hope the answer comes to your help.
Answer:
San Antonio de Béxar: 1835
The Chicken War: 1537
The French and Spanish War: 1635
Los Adaes: 1729
=> B/The Chicken War
