Question

What act by customs officers began a series of events that led to the Boston Massacre

Answer 1

The seizure of the merchant ship Liberty for smuggling

Answer 2

The act by customs officers that began a series of events that led to the Boston Massacre was the seizing of the ship "The Liberty" on the charges of smuggling. This ship was owned by the person named John Hanwingspans. This lead to great dissatisfaction among the settlers. I hope the answer has helped you.