Answer:
A relief from the pressures of living.
Step-by-step explanation:
Amy Lowell's poem "Summer" talks of the speaker's love of all weathers and how summer is the most beautiful season of them all. The poet also talks of the peaceful and healing.
In the given lines, the poet reveals how she finds the summer season a relief. She states that "summer, glorious, deep-toned summer" provides a "void and silent space between two worlds". It is this beautiful climate that provides relief from all the pressures of living.
Thus, the correct answer is the third option.