Explain how language diffusion contributes to globalization

PLEASE I NEED HELP

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa

How have ethnic groups shaped the population in central america and the caribbean? how has migration shaped the population in central america and the caribbean? how has small land areas shaped population in central america and the caribbean? how has a rapid population growth shaped the population in central america and the caribbean?

How are the arctic and antarctic circles alike?