The difference between Arise and Ensue

When used as verbs, arise means to come up from a lower to a higher position, whereas ensue means to follow (a leader, inclination etc.).

check bellow for the other definitions of Arise and Ensue

Arise as a verb:

To come up from a lower to a higher position.

Examples:

"to arise from a kneeling posture"
Arise as a verb:

To come up from one's bed or place of repose; to get up.

Examples:

"He arose early in the morning."
Arise as a verb:

To spring up; to come into action, being, or notice; to become operative, sensible, or visible; to begin to act a part; to present itself.

Examples:

"A cloud arose and covered the sun."

Ensue as a verb (obsolete, transitive):

To follow (a leader, inclination etc.).
Ensue as a verb (obsolete, transitive):

To follow (in time), to be subsequent to.
Ensue as a verb (intransitive):

To occur afterwards, as a result or effect.

Examples:

"Give three freshmen six bottles of wine, and hilarity will ensue."