The principle of influence known as reciprocation refers to the idea that people feel obligated to:

A. reply in writing.
B. return favors.
C. follow others.
D. talk about themselves.
E. act on messages.

Option B

Explanation:

To reciprocate means to return back or reply in same mannerism ,it came from a Latin verb meaning to move back and forth. So therefore to reciprocate means to reply back or react by to something in form of a reply. Based on my little explanation option B best fits the answer as return favours means you are paying back the person that did you a favour by also returning back yours, this best explains reciprocation.

the correct answer is "hematoma formation, with ligaments that are stretched, partially, of fully torn" ankle sprain are produced by an injury to the tough bands of tissue (ligaments) that surround and connect the bones of the leg to the foot. this causes several damage to the ankle including hematoma formation and ligament injury .

for your question the answer would have to be france