What Is a Means for the United States to Strengthen

What is a means for the United States to strengthen its prosperity and place in a changing world?

A) Ignore rising economic powers in the certainty that their growth will fade and so will their power.
B) Engage rising economic powers and encourage them to impede trade and develop strong security apparatus.
C) Engage rising economic powers and encourage them to develop trade, grow the middle class, and support democratic freedom.
D) Not engage rising economic powers because in the long run they have little or nothing to offer the United States.
E) Not engage economic powers because these are international upstarts, whose success ultimately imperils the United States.