What is one characteristic of british mercantilism?

One of the characteristic is that a nation power is measured by its wealth/economic power.
This view became the basis for their colonialism strategy in Asian , African, and american continent because it help their nation to accumulate more wealth by acquiring cheaper resources from them.

Yes all of them are right

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !