You must know what the Han dynasty is and the definition of those words.
The researchers were most concerned about External events.
<h3><u>Explanation: </u></h3>
Quasi-experimental designs are different from true experimental designs. They resemble the experimental research but it is not the real one. There are various types of quasi-experiment design, one of the important designs is the pretest and posttest design which is discussed in the above scenario.
The most likely reason for the experimental effect is based on selection bias. Self-fulfilling Prophecy & Instrument Decay might be the potential cause of the internal validity that is linked with the experiment done by the staff.
The answer is: state governments
When the immigrants come into united states, they will settle on the states and will most likely have to settle to find a job in that states.
Because of this, the number of employment in that states could be threaten if the increase in the amount of workers far surpassed the increase in the amount of job opportunities. The state government would be the one that is responsible to bear such challenge.
The people in each state elects their own legislature. :D