It caused so much damage because the rise in the water causes massive waves to hit the shores near the storm. Overland, the hurricane did a lot of damage, with powerful winds blasting the landscape. Heavy rains from the hurricane's clouds also cause flooding.
The answer is B. Southern Christian Leadership Conference
The first and the last indicate it's a reliable source.
In August 1945, the US dropped atomic bombs over Japanese cities, Hiroshima and Nagasaki. Hope this helped!