Which of the following represents how one branch of government checks the other in foreign policy?

A:Congress declares war against Iraq. The Pentagon boosts its troop levels.

B:The president signs a treaty with Mexico. Congress must approve the treaty.***

C:The Supreme Court rules that appointment is constitutional. The president follows through with the appointment.

D:The president promotes democracy in Afghanistan. People organize protests against overspending on foreign policy.

Is this correct?