Title: Arena Football League.
Question: What type of bankruptcy was the league reportedly thinking about filing in July 2009?

Title: Nanjing.
Question: What has survived in Nanjing's suburbs?

Title: Molotov%E2%80%93Ribbentrop Pact.
Question: Although officially, the number of soviets wounded during the invasion of finland was around 200,000, who said the real numbers may have been closer to a million?

Title: Nigeria.
Question:
What city is Nigeria's secondary industrial area?