U.S. President Donald Trump replied on Twitter the words "Make America Great Again" Thursday morning to a tweet from "@ThePlumLineGS," who had posted a Washington Post article criticizing Trump for regularly targeting African Americans in his Twitter storms.

Trump's tweet was immediately perceived as an endorsment, if not a boast, about the notion his attacks on African Americans are part of his strategy to "Make America Great Again."

Trump has been in a Twitter feud with Lavar Ball, father of the UCLA basketball player Trump helped free from prison after he was caught shoplifting in China. The president has also clashed for months with various players in the NFL for taking a knee during the U.S. national anthem.

One Twitter user wrote in response to Trump's tweet, "Uh, Trump just replied "MAKE AMERICA GREAT AGAIN" to a tweet by @ThePlumLineGS accusing him of racist attacks against black people. Holy cow."

While another had this to say, "If any of my followers are unconvinced that Trump is racist, imagine if someone obsessively tweeted about Jews like this"

And another, "When the dog whistle is actually a bullhorn ..."