History was a driving force behind such migration, since humans tended to move to new territory when they lacked food, shelter, or other resources--meaning that most of the conflicts throughout history have been driven by the same forces that drove migration out of Africa.
The winds that pushing the sasiling ship from north, but they are also curving to west. theses winds are known as : d. polar easterlies.
polar easterlies is the wind are blowfrom east to west.
hope this help
Dividing islands north and South Korea
The answer is: waterfalls can usually be found wherever there is lots of erosion or where there is steepness in the river's channel.
