I believe the answer is: activation of large nerve fibers in your spinal cord
Gate control theory was popularized by Ronald Melzack and Patrick Wall, it views that non-painful area input closes the doors or "gates" to the painful area input, this exist in order to prevents pain sensation from coming through the central nervous system and being transferred across our body.
The introduction, the main body, and conclusion
Answer:
Republican nominee Donald Trump called NAFTA a “disaster” and backed renegotiating the pact in a policy speech in Detroit on Monday. Barring a better deal, he said, the United States should withdraw from the 22-year-old agreement that lowered trade barriers between the United States, Mexico and Canada while the Republican Party of Texas' 2016 platform also demands “immediate withdrawal from the North American Free Trade Agreement.”
Explanation:
Answer:
To the north and west of Ancient China were two of the world's largest deserts: the Gobi Desert and the Taklamakan Desert. These deserts also provided borders that kept the Chinese isolated from the rest of the world. This is why the Great Wall of China was built to protect the Chinese from these northern invaders.
