Answer:
A) It can better prevent political leaders from serving their own interests
Step-by-step explanation:
This happen because In direct democracy, every single citizens have the right to vote for all bills and economic decisions that will be made by the government.
Because of this, the decision making process does not have to pass all the long bureaucratic process that usually exist in representative form of democracy. This tend to prevent corrupt political leaders from cooperating with interest groups and seek their own economic gains.