Mass murder involves killing four or more victims by one or a few assailants within a single event. these single, uncontrollable outbursts are also termed:

They are also known as "outburst killings". 

Mass murder is additionally characterized as the purposeful and aimless murder of a substantial number of individuals by governments; for instance, shooting unarmed dissenters, tossing explosives into jail cells, and haphazardly executing regular folks. The biggest mass killings in history have been administrative endeavors to annihilate whole gatherings or groups of individuals, frequently based on ethnicity or religion as a result of abhorrence or narrow mindedness.

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.

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