Which of the following is a criticism of free trade?
a. it slows down the exchange of goods.
b. it makes it harder for countries to trade with each other.
c. it makes it harder for labor unions and human rights groups to create trade laws.
d. it doesn't give enough power to organizations such as nafta, the eu, and opec.

Located on the southwestern tip of the European continent, the Iberian Peninsula , includes the countries of Andorra, Portugal and Spain, and the British Crown colony of Gibraltar. At the nearest point, it is only 5 miles (8km) from the continent of Africa.17 Nov 2015*-`1234567890-

According the context of experimental research methods, it is wrong that Jamie has not used random assignment.
Because Jamie assigns everyone who arrives before noon to the experimental group and everyone who arrives after noon to the control group there is no randomness in the data he gets from the experiment. 
Using random assignment would be if Jamie assigns the participants to different groups no matter when they arrive, (using randomization).