The correct awncer is D. The railroad expanded to Texas.
Answer:
the facial feedback effect
Explanation:
The facial feedback effect refers to the impact of facial expressions on the emotional state of the individual. Also, forced expressions tend to make people more uncomfortable and unhappy even if they are being forced to smile like on social gatherings. Here, it is said that 'most recent participants reported feeling more happy than sad after rubberbands secured to the sides of their faces were stretched over the tops of their heads'. Hence, this is clearly the facial feedback effect as it highlights the impact of facial expressions on the emotional state of the participants.
<span>Which document served as a warning to European nations to not try and re-colonize Latin America and established the U.S. as a protectorate of the Western hemisphere?
</span>A). Monroe Doctrine
