agree, especially by lease, deed, or other legal contract.
Hope this helps!
Special words or expressions that are used by a particular profession and are difficult for others to understand are called "jargon," since they are often only understood by people "in the know".
I would have to say it would be C?
Many immigrants from Europe began working in factories and producing goods used by people in the North. Many factories began producing textiles (cloth) with the cotton grown in the South. The economy of the South was based on agriculture.