>>41618
For São Paulo, either the counterfactual or the theater, use the first two:
>1st Company of the 1st Light Tank Battalion moves by rail towards the front
>Generals Kruel (middle) and Âncora (right) conference at the Agulhas Negras academy

For the defeat/conclusion:
>Afternoon, April 1st, Guanabara. Tanks defending the now empty Presidential residence join up with the pro-coup crowd gathered in the governor's palace.