The main verb would be "indicated", being that "research" (which is the main subject) is what's doing the action, which is indicating.
The whole sentence is basically about the research indicating... etc.
No sorry but try reading it thoroughly that helps a lot :)
The genre that uses dramatic elements to depict flaws in human nature in a succinct poignant way is Tragedy
Tragedy usually focus in the suffering and distress of human nature during some specific circumstances
hope this helps<span />
Nigerian storytelling has historically been an oral tradition. Historically the stories were passed down and told by word of mouth, spoken rather than written.
