Which of the following definitions best represents the meaning of the word invalided in this sentence from Ernest Hemingway's "In Another Country"?

The major, who had been a great fencer, did not believe in bravery, and spent much time while we sat in the machines correcting my grammar. He had complimented me on how I spoke Italian, and we talked together very easily.

Explanation:

from the excerpt from the "the dark game" the reader can infer that folke cronholm was spying for the allied nations.

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