The answer is Pan-Slavism
Wasn’t he assassinated during a speech in a movie theater
I know a lot of history of Dr.King himself. When he said let 'Let freedom ring" he's using Anaphora.
During the 1950's, the US had adopted a policy of containment. The goal was to stop the spread of communism on a global scale. This included giving financial and military aid to countries who might fall into the hands of a communist government. A perfect example of this would be South Korea.
During the early 1950's, North Korea (a communist country) invaded South Korea. America, worried about the spread of communism, wanted to ensure that South Korea stayed free of this communist system. To do this, the US helped convince the United Nations to intervene in the conflict between North and South Korea.
They had their own strategies and it would be foolish to think that they didn't have thier own desires and knowledge. They were choosing the European powers which they thought would serve their cause, that is why some supported one European power and the others supported another European power. Their role was great because they knew the ground well.
