<span>The Middle Colonies grew grains such as Wheat, Rye, Oats, Barley, and Corn.Wheat could be ground for flour, both wheat and flour could be sold in the colonies or in Europe. The Crops in the Southern Colonies were tobacco, indigo, cotton, and rice.</span>
People had started growing plants and cattle-herding when they grow tired of moving from one place to another. Hunters and gatherers are nomads. They tend to move when they think that the resources are scarce in their location.They believed that if they could grow these foods instead, they would be able to feed their families and community.
It could attack different countries at the same time...
I believe she tells them to cover their ears with wax. The Sirens were known to enhcant sailors with their music and songs and lure them to their deaths. To prevent that Circe had them plug their ears so they wouldn't be enchanted, and go to their death.