All of the songs listed were used as propaganda during World War II to boost morale and support the war effort.

Nazi folk music was a genre of music that was used by the Nazis to promote their ideology and glorify their leaders.

The Internationale was a song that was used by the Soviet Union to promote communism and the international workers' movement.

Revolutionary opera was a genre of music that was used by the Chinese Communist Party during the Cultural Revolution to promote their ideology and glorify their leaders.

Arirang is a song that is used by the North Korean government to promote their ideology and glorify their leaders.

Revolutionary folk music was a genre of music that was used by the Khmer Rouge during the Cambodian genocide to promote their ideology and glorify their leaders.

There is no evidence that any of the songs listed were used as propaganda by the Rwandan government during the Rwandan genocide.

Turbo-folk is a genre of music that was used by the Bosnian Serb Army during the Bosnian War to promote their ideology and glorify their leaders.

All of the songs listed were used as propaganda by the Kosovo Liberation Army during the Kosovo War to promote their ideology and glorify their leaders.

Nasheed is a genre of music that was used by the Taliban during the Afghan Civil War to promote their ideology and glorify their leaders.

All of the songs listed were used as propaganda by the Islamic State of Iraq and the Levant (ISIL) to promote their ideology and glorify their leaders.

Ansar Allah is a genre of music that was used by the Houthis during the Yemeni Civil War to promote their ideology and glorify their leaders.

All of the songs listed were used as propaganda by the Syrian government during the Syrian Civil War to promote their ideology and glorify their leaders.

Libyan folk music was a genre of music that was used by the Libyan National Army during the Libyan Civil War to promote their ideology and glorify their leaders.

All of the songs listed were used as propaganda by the Egyptian government during the Egyptian Revolution of 2011 to promote their ideology and glorify their leaders.