C , I think , Hope this helps
Primaruyand secondary waves are called body waves which affect the body of the rock we live on.
Love waves are called surface waves because it only affects the surface.
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.
