Which of the Following Is/are Actions That Constitute Adherence to the Enemy

Which of the following is/are actions that constitute adherence to the enemy in a treason prosecution?

A) Selling goods to an agent of an enemy of the United States of America.
B) Statements praising the enemy.
C) Residing in an enemy country.
D) Delivery of prisoners to the enemy, unless under a death threat that was likely to be carried out.
E) All of the above.