A Mao Zedong is the correct answer
Kublai was the fifth Khagan of the Mongol Empire reigning from 1260 to 1294 He also founded the Yuan dynasty in China as a conquest dynasty in 1271, and ruled as the first Yuan emperor until his death in 1294.
In constructive criticism, we provide valid and well-reasoned opinions in order to improve the outcome of the event/activity, not tear one's spirit apart.
For example, lets say i'm a leader of a study group.
My own constructive criticism would be :
As a leader, i should have paid more attention to the member's progress in the study group. I could've done it by checking their understanding from the topics that have been discussed during the session.
If I understood your question correctly, then the answer is "it depends". Sometimes, individuals have a large impact on starting a war (think World War I where one individual caused the war to start), other times groups of people have also important roles in starting a war (think World War II).
The correct answer among all the other choices is "so they can gain the support of as many voters as possible and get their members into office." This is why a political party avoids associating with an interest group that holds radical principles. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.