Update: King appears to have delete the meme. Here, via Mediaite, is a screenshot of it: 
Rep. Steve King (R-IA), the far-right Iowa congressman who frequently aligns himself with and endorses white nationalists, on Saturday shared an image speculating about “another civil war.”
The image was shared on the “King for Congress” Facebook page, the meme-filled political mirror of King’s official page.
As Vox’s Aaron Rupar observed, King’s state, Iowa, is lumped in with the blue states in the image.
King was stripped of his committee assignments in January after questioning how the terms “white nationalist, white supremacist, [and] Western civilization” had become offensive.
