<span>A: Native American
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Answer:
<em><u>new ocean floor </u></em>
Explanation:
<em><u>Earth's crust is spreading, creating new ocean floor and literally renewing the surface of our planet.</u></em>
A soldier would speak those words, and when first being recruited into the army. He has to swear because if soldiers put personal obligation above their country, then the army would be crippled. Aye, a hard life.
The important result of the Union victory at Vicksburg was that the Union now controlled the Mississippi River. The correct option among all the options given in the question is option "A". This also helped the Union to cut off most of the Western States from the hands of the Confederate army. Also the Union had the control over the food supplies and this made the Confederate army surrender quickly.
Surrounded by water
There were so many hills/mountains around the area that made traveling hard
Isolation from other cities