What was the importance of the battle of vicksburg to the union

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances

answer; which categories of people are most at risk of becoming a criminals;