B.
The Europeans discovered North and South America.
In the period of the Sui Dynasty (581-618 AD), Chang’an before was named Daxing. However, in a later time, the city got new reformations and innovations and was renamed Chang’an by the Tang dynasty administrators which then served as the Tang capital until its collapse in 904 AD.
This ancient imperial capital was the eastern commencement point of the Silk Road. The Silk Road has been of an enormous importance to the trade and cultural exchange to Xi’an (formerly Chang’an) as well as important crossroads for people from entire China, middle east, Rome, and Central Asia. The city thus developed into a hub of diverse ethnic recognition and religious beliefs.
In addition to the above, the tang dynasty manifested a tremendous cultural and religious fluorescence when it grew into a Buddhist learning center and also Taoism, attracting many pilgrims, and other scholars as well as philosophers. This didn’t end only with Buddhism, many other faith denominations emerged such as Nestorian Christianity, Zoroastrianism and Manichaeism, and later Islam.
therefore, the factors that made the tang cipital of Chang'an a center of culture and trade were mainly A and C; It welcomed foreigners and their beliefs, it was located at one end of the silk Road.
The most important role of youth is to put off parenthood until it is absolutely practical, usually right around 30 yr old. Avoid teen pregnancy through abstinence and birth control methods. Build a culture where it is okay to not have children, one is the norm, and two per couple the maximum.
Explanation:
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Answer: D. Online survey
Explanation: Interview survey is time consuming and John does not have the luxury of time. Phone survey is fast but needs money and John is cash trapped. Longitudinal survey requires that a long time is spent on the survey and it is expensive. John does not have both the time and money. Mail survey is cheap but needs time to get in the answers and John does not have much time. The best option for John is online survey because online survey are less time consuming, cheaper, and results gotten faster.
