In the same manner that the Trump Presidency was about "Russian Collusion" and "Racism."
Lies, told and repeated endlessly by the enemy which had the greater megaphone.
The Civil war was about Rich, Powerful, corrupt men who controlled Washington DC and calling anyone who threatened their power an "Insurrectionist".
Exactly like what we have today with the same Rich, Powerful, corrupt men who control Washington DC still doing it now.
No comparison. The dossier was fake, and everyone knows it.
On the other hand, 4 million escaped slaves is solid evidence.
The Civil war was about Rich, Powerful, corrupt men who controlled Washington DC and calling anyone who threatened their power an "Insurrectionist".
4 million slaves who escaped to the North say you're wrong.