American Canyon supports adding to its sphere of influence 157 acres near both wetlands and industrial land, with the owners contending the soils of the former vineyards are now too salty to farm.

Such negotiations need not take place at a formal conference ... VICIOUS CIRCLES The term “sphere of influence” first cropped up at the 1884–85 Ber­lin Conference, during which Euro ...

A sphere of influence refers to a geographical area that a power has unilaterally declared to be its exclusive space and over which it exercises political, economic and military control.