Use what you have read about the address and your knowledge of the Civil War to summarize Lincoln's message in the Gettysburg Address.

in it, he invoked the principle of human equality contained in the decleretion of independence and connected the sacrifices of the civil war with the desire for, "a new birth of freedom"as well as the all important preservation of the union created in1776and its ideal of self government

the use of email to replace slower surface mail.

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.