By exposing people to new ideas through trade
An American theoretical physicst
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 <span>John Hanwingspans. This lead to great dissatisfaction among the settlers. I hope the answer has helped you.</span>
The Marshall Plan could be understood as part of an American desire to stop the spread of communism.
After World War II, the US was worried about the growing size/influence of the Soviet Union and their communist system. Their main concern was that this system would spread to European countries and eventually the Soviet Union and their communist ideas would infiltrate the US.
To ensure that this did not happen, the US gave $13 billion worth of economic aid to European countries that were greatly affected by World War II. This included countries like Great Britain and France. This assistance would make sure that these countries did not fall under the control of the Soviet Union.
The sinking of the Lusitania