Fourscore and seven years ago, our farthers brought forth on this continent an new nation, conceived in liberty, and dedication to the proposition that all men are created equal.

why does lincoln reference this portion of the declaration of independence in the gettysburg address

a. to show his appreciation for soldiers regardless of whether they fight for the north or south.
b. to encourage soldiers by bringing up a war that the uswon
c. to emphasize that the us was founded on the principle of freedom for all people.

C. To emphasize that the US was founded on the principle of freedom for all people.

Explanation:

The Gettysburg address was an address that the President Lincoln gave to the public at Gettysburg Pennsylvania and it is the most famous address by the presiden Lincoln, he speaks about the principles on which the United States were founded, firmly believing on equality and freedom for all people, this was crucial because the fight agaisnt slavery was at its peak.

idk lol i just wanna finish mines

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.