Answer: d. All of the above are examples of the principle that trade can make everyone better off.
Explanation:
We make a trade when we exchange services in which we benefits while the other part or the other person also benefit.
Americans buying socks from china that means the business from China is benefitting financially whilst the people in America are benefiting from using this product .
Drinks bought in Maine from Florida befits the Florida business whilst people in Maine are also benefiting from buying and enjoying these drinks.
A kid from next door mowing the lawn will benefits financially as the neighbor pays him whilst the neighbor is benefiting from his service of having his lawn mowed .
The supreme court ruled that americans of african descent, whether freed or slave, were not American citizens and could not sue in federal court
Answer:
random assignment, a random sample
Explanation:
In an experiment which requires groups the groups are to be made sure that members of each group is selected at random. This is known as random assignment.
The selection of participants from a population randomly i.e., having no pattern is called random sampling and the sample is called random sample. The random sample is selected as such in order to be representative of the population.
Answer:
I don't know
Explanation:
sorry I didn't know that I have to orient them that if worse comes
