Identify the four reasons why the portuguese began importing enslaved people from the african coast

What is the relationship between surface winds in the northern and southern hemisphere?

George herbert mead argued that the self develops through interactions with others. do you think that your personality or self developed through your interactions with others (parents, friends, teachers) or was it something that you were born with? give an example from your life to support your view.

Which us president proposed a decimal based measurement system for the us