World War II: South American theatre

This is a brief timeline of a World War II expanding to South American area with a breaking point way back in the American Civil War.

Timeline
1865: The American Civil War ends in a stalemate.

1899: Brazil descends into decades-old civil war when Emperor Pedro II refuses to cede power after a coup.

1929: Great Depression causes many South American countries to turn fascist: Argentina, Uruguay, Chile and Paraguay.

1933: Hitler rose to power.

1938: The USA and CSA war each other again causing US President to initiate atomic bomb program early. The latter would join the Axis

1939: Argentina, Uruguay, Chile and Paraguay forms an alliance and invades Peru together.

1940: The Argentinian alliance exploited the Brazilian civil war to invade it. Bolivia is invaded as well with German Blitzkrieg tactics.

1941: Argentinian alliance reached Colombia, Venezuela, and the rest of northeastern Caribbean shorelines of South American continent save French Guyana where the defenders violently resist. Mexico, Guatemala, Costa Rica, Panama and the rest of Mesoamerican countries join the Allies.

1942: The Argentinian alliance are pushed back into Ecuador and Brazil itself after a ferocious fight. Conferate Cuba had a revolution which was violently suppressed.

1943: USA began to liberate Confederates territory.

1944: US drops atomic bombs at CSA, Nazi Germany and Japan. They all surrendered.

1945: 5 atomic bombs are dropped onto Argentinian alliance and the World War II is finally over.