A. <span>Lewis and Clark explored the Louisiana Territory and kept detailed records of their findings. </span>
A: Density
All the rest are chemical, not really sure exactly how to explain it. But I hope this helped!
Ok, so that there is a bunch of stuff. There is evidence that President Roosevelt knew there would be an attack on Pearl harbor, but he decided to let it happen so that the US would be in on the war (we were not before the attack).
There's not a straight forward answer, but I hoped this helped!
The conditions were bad no running water, space , air quality was bad and buildings were run down and shabby .
The United States' role in world affairs was very limited