An iceberg caused the Titanic to sink, and (next) what happened was the attack on Pearl Harbor happened on December 7th, 1941. Japanese airplanes made a surprise attack on the US Navy in Pearl Harbor. They destroyed many ships and killed many soldiers. It was this attack that forced the United States to enter World War II
Hoover believed that you should not help people during a hard times. FDR was the complete opposite he wanted to help the american people get out of the great depression. So your answer is C.
The northeastern farmers migrated to the west in order to make living. When they were in the west, they start over on u farmed lands.
Hope this helps.
Answer: D. it lies in a valley, surrounded by mountains, that traps in air pollutants over the city.
Explanation: Being in a valley results in air pollution being contained to an area.