Dogs fight with each other to assert their dominance and it could be playing around for them.
Intragroup.
An intragroup conflict is a conflict that takes place between one sector or group. The group being the United States, so their was a conflict inside the United States which makes it intragroup.
Answer:
It finally ended the military rule of the Tokugawa Shogunate and returned political power to the imperial court.
Answer:
Martin Luther King Jr. was assassinated