Answer:
The Soviet Union. They lost over 15% of their population.
These states run huge expenditures in their efforts to rebuild. This involved large government projects that yielded little return value.
It’s Fort Sumter, after Lincoln said that they weren’t launching an attack on the confederates. They were only replenishing the fort.
According to Graham Allison book, Nuclear Terrorism, only 5 percent of daily cargos into the U.S are screened where every day 30,000 trucks, 6500 rail cars and 140 ships deliver over 50,000 cargo containers into the United States. This rarely involves physical inspection which may not detect nuclear weapons and fissile materials.