Why are many agricultural areas located on the northern european plain?

The Northern European Plain has a maritime climate in some parts with rain all seasons which make it favorable for farming.Some parts of the plain are characteristic of delta plains.Delta plains are very rich in fertile soils and the flat terrain adds to the advantage.

Avertical or horizontal line used in graphs is called a(n) equatorhope this

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years