Zimbabwe is 98 percent black. The 98 percent made short work of the farmers you mention.
The situation is very different here in the US.
Start with 200 million firearms in private hands.
>> “Start with 200 million firearms in private hands.” <<
.
That estimate is 22 years old.
More than 100 million firearms have been sold since Obama took office. 500 million or more private arms are a better guess.