Indicate which of the four options below provides the best ending to the following sentence:

Officers of American corporations ought to follow accepted corporate governance laws and conventions:

of the United States and of all countries in which they do business, to the best of their ability, in good faith.

of the United States, no matter where in the world the corporate activities take place.

in countries outside the United States only if they make public commitments to do so$,$ or if they enter into international contracts requiring them to do so$.$

of the United States, but only when the corporate activities in question are located within the boundaries of the United States.