Answer:
The Height of the Silk Road. The fall of the Han dynasty in the early 3rd century once caused Silk Road trade to decline. However, the rise of the Tang dynasty in the 7th century revived this commerce and by the mid 8th century, the route reached its height. The prosperity of this road should owe to many reasons.
Explanation:
The answer is information gaps. These are missing
information necessary to complete a job. The United States give out with fears
in the 1990s about a gap between "information haves" and
"information have-nots" by ratification of a new act that endowed the
connection of every insttution and archive to the Internet.
Answer:
To avoid the ethical issues a true experiment would cause.
Explanation:
A quasi-experiment is a factual conventional study that is used to calculate the causal effect of interference on a target population without an irregular function. Quasi-experimental research shares closeness with traditional experimental design or randomized controlled trials, but lacks the element of random assignment specifically for treatment or control.
Instead, quasi-experimental designs typically allow the researcher to control the assignment to treatment status, but use some criterion other than random assignment (For example- an eligibility cutoff mark).
