Question 2 Writing and Language: History and Social Studies Practice Test for the SAT® exam

Which choice for the underlined words at point 2 in the passage, and reproduced here, is punctuated correctly?

“(2) Hooker’s plan entailed sending the Union Cavalry; under the command of Major General George Stoneman; on a long maneuver to get behind Lee’s army, cut off their supply and communication lines, trap them at Fredericksburg, and force them out of their position.”