Which of the Following Is an Example of States Using

Which of the following is an example of states using linkage to get other states to sign international human rights treaties?

A) Argentina and Brazil signed a trade agreement that eventually led to the creation of the Southern Common Market (Mercosur) .
B) The Mexican government pushed for an improved human rights situation in Guatemala in order to reduce the number of refugees crossing the border.
C) The United States insisted that countries sign bilateral agreements after the International Criminal Court (ICC) was created.
D) Poland had to agree to end the use of the death penalty in order to join the European Union.