In this scene the Indians are throwing tea off the ship into the harbor. The Indians were not actually Indians they were dressed up as Indians. They were ordered not to do anything to the ship just throw the tea off. After the tea was thrown off they cleaned the ship off.
In this scene the "Indians" are dancing after they threw the tea off the boat. They were excited that there plan worked. They knew after that that there would be liberty. The sons of Liberty completed there goal.
The British was angry. They were angered by the tea getting thrown over board. The Red Coats had plans for revenged.They planed a tare a bridge down.