The correct answer is A) keeping the US from being brought into European conflicts.
The Neutrality Acts of the 1930s were intended to keeping the US from being brought into European conflicts.
The Neutrality Acts were laws that the US Congress passed in the 1930s to prevent the United States to be involved in European conflicts. The laws enacted clearly stated the neutral position of the US in foreign affairs. This isolationist attitude was approved by a majority of citizens that believed that US involvement in World War 1 was because banks and wealthy businessmen had interests in European countries.