Do trolls realize the movie is set in Nubia 1930s, Egypt/Sudan?
Nubians are mixed Arab/African race dating back thousands of years. They were the last ones in the Arab Slave Trade, raiding south Sudan until 2005. The main problem with the trailer is the black people were NOT slaves.
https://en.wikipedia.org/wiki/Death_on_the_Nile: While on holiday in Cairo to board the steamer Karnak, set to tour along the Nile from Shellal to Wadi Halfa, Hercule Poirot is approached by successful socialite Linnet Doyle.
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Viewpoint from Sudan - where black people are called slaves https://www.bbc.com/news/world-africa-53147864
Slave traders 'glorified':
The racism goes back to the founding of Khartoum in 1821 as a marketplace for slaves.
By the second half of the century about two-thirds of the city's population was enslaved.
Sudan became one of the most active slave-raiding zones in Africa, with slaves transported from the south to the north, and to Egypt, the Middle East and the Mediterranean regions.
Slave traders are still glorified - a street in the heart of the capital is named after al-Zubair Pasha Rahma, whose 19th Century trading empire stretched to parts of what is now the Central African Republic and Chad.
21st Century slave raids:
The superiority complex of many members of the Arab elite lies at the heart of some of the worst conflicts to hit Sudan since independence, as black people either demand equality or their own homeland.
The southern slave raids were widely reported to have continued until the end of the civil war in 2005, which led to the mainly black African South Sudan seceding from Arabic-speaking Sudan five years later.
The women and children abducted by Arab groups to work for a "master" for free often never saw their families again, though in some cases their freedom was controversially bought by aid groups such as Christian Solidarity International.
And since the Darfur conflict started in the early 2000s, the pro-government Arab Janjaweed militias have repeatedly been accused of arriving on horseback in black African villages, killing the men and raping the women.