Your answer is "A" because of him finding Americas first Amerigo was the one.
Explanation:
They include enforcing laws, appointing people to state offices, signing bills into laws, suggesting new state programs and laws, and proposing and directing the state budget. S/he also has the power to call special sessions of the legislature and can veto legislation
Johnson was unwillingly caught up in the hot battle (Vietnam War) of the Cold War. Johnson was the US's only Presidential Administration to be destroyed by the war. He went on nation wide television and flat out said he would not run for president again, and would NOT ACCEPT nomination for the presidency of the United States. He was truly fed-up with the war.
One unfortunate role is the spreading of misinformation. False news reports designed to get clicks are shared before people verify that what they are sharing is true. This leads to people believing false stories and even acting and voting based on this information.
Politicians in government (thought they may not believe the stories) know they must act based on this misinformation in order to secure votes from the people who believe them.