Answer:
Explanation:
This interracial matrimony helped strengthen the ties between the Tang Dynasty and the Tubo Kingdom. At that time, Emperor Taizong of the Tang dynasty needed to find a bride for King Songtsen Gampo, the new ruler of the Tubo Kingdom (Tibet)
Answer: B. Increased human capital increases productivity.
Explanation:
More educated women in developing countries means that they can get better opportunities like a high-skill job or start a business. Options A) and C) are true but not directly related to the question.
Answer:
Becasue it was a part of there culture
Explanation:
That researcher was Ivan Pavlov.
These psychic secretions are related to his experiments with dogs - he noticed that dogs would start salivating at the mere sight of food, or person delivering them food, or even the sound of their footsteps (because they knew food was coming). That's why he started experimenting even further - each time he brought them food, he would ring a bell, so eventually the dogs would start salivating every time they heard a bell because they were expecting food.
It was basically monarchy ;)