Particularly on the third day , he is claimed to have been the most capable officer of the XV International Brigade .
According to Copeman , Nathan performed well during the Battle of Jarama in February , one of the most heated contests of the Spanish Civil War .
Particularly on the third day , Nathan is claimed to have been the most capable officer of the XV International Brigade .
According to Copeman , Nathan performed well during the Battle of Jarama in February , one of the most heated contests of the Spanish Civil War .