Question

this change he evidenced by beginning to be troublesome once more. source: personal narrative of a pilgrimage to al - madinah & meccah - volume 1 in this sentence, evidenced means: acted in advance of; dealt with ahead of time proved negative; showed something to be false protected against a challenge or attack showed by one’s behavior, attitude, or external attributes

Explanation:

In the sentence, his becoming troublesome again is a behavior - based demonstration. So "evidenced" here means showing something by behavior.

Answer:

showed by one's behavior, attitude, or external attributes