Answer:
some of the drawbacks of national popular vote interstate compact are that some opponents of the compact contend that it would lead to a proliferation of third-party candidates, such that an election could be won with a plurality of as little as 15% of the vote.
and
The National Popular Vote bill would reform the Electoral College by guaranteeing the Presidency to the presidential candidate who receives the most popular votes in all 50 states (and the District of Columbia)."
Step-by-step explanation: