Answer:
Correct answer is the Columbian Exchange
.
Explanation:
The Columbian Exchange is the correct answer as during this period many products were exchanged between Old and New World. It is the term that was coined after Christopher Columbus who discovered new continent, thus establishing links between these areas.
All other terms are not connected with this diffusion, therefore only second option is correct.
<span>A. Ocean currents, is the only logical answer this question I mean come on I know for a fact I'm correct</span>
Ask most of the middle east
They will say "Water desalination".
Ask a survivor, he would say
"Distillation".
The answer is A (own at least twenty slaves)