Furthermore, it was not Ham who was cursed, but his son, Canaan (Genesis 9:18, 25, 10:6). Furthermore, Canaan's descendants were probably mid-brown skinned (Genesis 10:15-19), not black.
False teaching about Ham has been used to justify slavery and other non-biblical racist practices. It is traditionally believed that the African nations are largely Hamitic, because the Cushites (Cush was a son of Ham: Genesis 10:6) are thought to have lived where Ethiopia is today. Genesis suggests that the dispersion was probably along family lines, and it may be that Ham's descendants were on average darker than, say, Japheth's. However, it could just as easily have been the other way around.
Read more: https://christiananswers.net/q-aig/race-blacks.html
Related:
Are black people cursed? - GotQuestions
Are Black People Cursed? The Curse of Ham by Tony Evans - EPM
Race and Racial Issues: A Biblical Christian Perspective - Probe Ministries
How Did Different Skin Colors Come About? - ChristianAnswers.net
Are There Really Different Races? - Answers in Genesis
Is Racism a “Major Problem”? - Answers in Genesis
All One People - Creation Ministries International
DNA research shows there is only one “human race”... - Broken Road Radio
One Race, One Remedy - Grace To You Blog
Doesn’t the Bible Support Slavery? - Answers in Genesis
Slavery and 'one drop of blood' by Carl Wieland - Creation Ministries International
The History of Slavery - Way Of Life Literature
Black Slavery Exists Today in Muslim-Dominated African Nations, but No One’s Talking About It - The Stream