What do you believe are valid reasons for the United States to send troops to other countries? Do we send troops for our own interests? Do we send troops based on humanitarian aid? Share your thoughts.

Valid reasons that the United States would send troops to other countries would be to make a trade, or just to simply send a message. Troops are sent for our own interest but also for safety if there is a threat made. We can send troops for humanitarian aid but, there would need to be a reason therefore, yes.

Explanation:

stable food supply,social structure, government,religion,culture/art,technology and writing/language;

answer; psychological influences;