Why do you think they applauded malone’s speech

The correct answers are 1) A faked attack by Sherman in the north. 2) Order Grierson's cavalry south. 5) First capture Jackson Mississippi.

The three diversions grant planned for defeating Vicksburg were a faked attack by Sherman in the north, order Grierson's cavalry south and first capture Jackson Mississippi.

We are talking about the Siege of Vicksburg, where the Union forces wanted to capture Vicksburg, Mississippi. The campaign initiated in 1862 and ended in 1863. Union´s General Ulysses S. Grant is credited with the planning of the strategy to defeat the Confederated troops and capture Vicksburg on July  4, 1863.