Give a chance
imperialism is a action to command or control a territory while a sphere influence is an area where an imperialist nation has exclusive.
Sphere is whole a hemisphere is not
A hemisphere is half a sphere
A sphere has 0 vortex and a cylinder has 2 faces
They are very different, as a square sphere is impossible. The difference is that a square pyramid exists, whereas there's no such thing as a square sphere.
A cube is a three dimensional square, and a sphere is a three dimensional circle.
Literally they both mean ball (orb from Latin, sphere from Greek).
A sphere to a cone is the same as a circle is to a triangle but they are both 3 dimensional.
Italy was in the US sphere of influence, while Hungary was in the Soviet sphere of influence. The Marshall Plan included aid for the democratic governments of Western Europe, not the communist-controlled governments of Eastern Europe.
sphere of influence
A sphere is round - like a tennis ball. A torus is ring-shaped - like a donut !
a sphere is a ball shaped or globular body. Round is having a flat circular surface as in a disk