37. what does the image illustrate in terms of how strategies of the union and confederacy differed?

a.
the image shows that general lee took a more offensive tactic by surrounding sea ports.

b.
the image shows that general grant took a more offensive attack-and-strike strategy.

c.
the image shows the pressure general grant put on the union.

d.
the image shows that general lee sought to control areas around the mississippi.