Answer:
The correct option is: d. affect-based trust
Explanation:
Affect-based trust is the type of trust that is heavily dependent on the emotional feelings of an individual towards the other individual. This type of trust is based upon the personality or character traits of the individual rather than logical reasoning. The affect-based trust is built on the social emotional bond that goes beyond the work or professional relationship between the partners.
The communist Manifesto was written by Karl Marx and by Friedrich Engels- Engels is the person you were looking for!
There is some discussion about the role of both authors in writing it, and some people suggest that Karl Marx did most of the work, with Engels having a smaller role.
Probably overt action directed toward a group of older people