"[Brazil's] 1940 army could be swelled from reserves and state militia to 285,000 men. With a population of 45,000,000, Brizil could draft an army of 1,500,000 men, if it had guns for them...[Currently] Brazil has undertaken to double the strength of its navy, appropriating $150,000,000 to build cruisers, destroyers and submarines of Brazilian material with Brazilian labor."
Mexico preferred not to participate in the war, but they did kick all the Fascist spies out of their country, click here to read about it...