### Instruction:

Extract the cause and effect entities from the following sentence:
With the completion of the National Airspace Redesign, airspace is restructured to meet future traffic requirements

### Assistant:

KEYWORD: With
CONDITION: to meet
VARIABLE: future traffic requirements
EFFECT_1: airspace is restructured
EFFECT_2: to meet future traffic requirements
CAUSE_1: the completion of the National Airspace Redesign

