The Song dynasty (960-1279) follows the Tang (618-906) and the two together constitute what is often called "China's Golden Age." The use of paper money, the introduction of tea drinking, and the inventions of gunpowder, the compass, and printing all occur under the Song. (The fact that the dynasty spans the year 1000 may make it easier for students to locate these developments in time.)
While short-lived, the Sui Dynasty built a strong foundation for the great achievements of the next dynasty, the Tang (tahng). The Tang Dynasty ruled for nearly 300 years (618–907). The Tang emperor who began these achievements was Tang Taizong. His brilliant reign lasted from 626 to 649.
The answer is developmental mechanisms of behavior and
experience. This field is sometimes mentioned to as behavioral neuroscience or
biopsychology. Biological psychologists examine the connection of the brain and
nervous system with behavior, and related areas such as cognitive processes and
emotions.
Id assume this question is meant to be multiple choice as there are many countries in which Christianity is illegal but the most prominent to me would be China.