at vicksburg , the siege was successful , but under what circumstances might a siege be risky for the attackers

Gettysburg address question. lincoln uses the images of birth and rebirth in this address. why?

Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.

What are the most populous and least areas of russia and why are some areas more heavily populated than others