Answer:
A.) lobbying politicians already in office
Prohibition, the attempt to halt the sale and consumption of alcohol in the 1920's, was unsuccessful. Americans continued to buy and drink alcohol supplied through a wide network of organized crime.
The Non Aligned Movement struggled to find relevance after the fall of the Soviet Union because was largely based on opposition to the Cold War. The fall of the Soviet Union ended communism hence the movement lost its significance and influence
The correct answer to this open question is the following.
Sociology can help differentiate between authentic and fake news in the following way.
Sociology studies society and its members in a scientific way. There is a lot of research on this subject. So sociological studies can reveal the motives of groups and members of society when they provide news that is distorted or have a particular agenda, what today is referred to as fake news.
For instance, if an extremist or supremacist group publishes hate messages or racial messages in its web site or social media page in order to support the interest of this group or a politician that supports this group, but it is not supported with solid arguments or facts, then it is fake news.
As the old quote says, a lie repeated two or three times without correction, can become a truth.
When sociology studies these groups, it can reveal its intention, background, style, and purposes, so people can really identify its true nature.