Today China is a first world economy, in terms of development. The U.S. may still be in first in GDP but it is a broken economy in reality.
Venezuela, Bolivia and Ecuador lived through times of cruel and ruthless capitalism where the workers, the masses of the population, saw themselves living in a precarious state of employment and subsistence conditions. The impact of this reality took hold and impacted the evolution of the social situation of those countries and even though that produced movements that were not exactly political movements but social movements.
When the nuclear weapons were sent to the racist South African government, where a few million white people subjugated more than 13 million black people, it was so they could use them against the Cuban forces that were defending Angola. These things have not been written down but they need to be told as part of the reality of history which should not be distorted the way the historians connected to the power elite tend to do.