An ocean current is a continuous, directed movement of sea water generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, cabbeling, and temperature and salinity differences.
Leaders are greedy for more power and land, a large population requires more food, neighbors are becoming to strong
By not trading as much anymore until they ask for what they want?
<em>your answer would be, </em><em>"Population"</em>
Thanks,
<em>Deku ❤</em>
