Answer:
A in the pursuit of freer governments.
Step-by-step explanation:
These three social movements are examples of people striving to achieve more just and democratic kinds of governments in the face of oppression, control, inequality and racism. As it stands, the three movements happened in China, South Africa, and East Germany, respectively, during the second half of the 20th century and they all, to a greater or lesser degree, impacted positively in their national contexts.