Read the excerpt.
the united states and china are the two largest consumers of energy in the world. . neither of us profits from a growing dependence on foreign oil, nor can we spare our people from the ravages of climate change unless we cooperate. common sense calls upon us to act [together].
president obama, 2009
which form of foreign policy implementation would work best between the two countries?
a. diplomacy
b. foreign aid
c. trade agreements
d. sanctions