I think the answer is C, rivers.
The answer is b, exposing communist spies in the government
Just look up President Roosevelt response to the attack and paraphrase every he said into your own words. You can find it on google and YouTube
Well in this period, it is considered the old stone age and for good reason, as this era is characterized by the use of rudimentary chipped stone tools. Basically it was the era when human started using tools that were made from stone. Or in other words, innovated.
Answer:
Yes they usually are because people tend to look for easy questions to answer and help people out. Don't get me wrong there are some days where it's a little slow but the most I've had to wait is 20 minutes.
Explanation: