Which of the following might a president do in order to improve trade relations between the U. S. and Cuba? remove trade sanctions on Cuba ratify a new trade agreement with Cuba pass a new law implementing free trade with Cuba propose a new amendment to the Constitution.

The correct answer should be remove trade sanctions on Cuba

This could be done through an executive order, while the remaining things would require the voting of the congress and cannot be done with president alone. This would enable people to trade with Cuba which is currently forbidden.