Answer is D.) The Berlin Airlift began after the Soviet Union cut off all land access to the city of West Berlin.
Answer:
Directionality
Explanation:
Directionality can be a problem in correlational research. This can occur when a study shows that two variables are related, but the researcher has a hard time understanding which variable is the cause and which is the effect. In this example, the researcher might not know whether people who are more exposed to violence become more violent, or whether violent people are more likely to seek out violence in media.
