D because cowboys ride horses not herds them and second they work on a ranch and I know that because I live on a ranch and herd cows
The Lewis And Clark Expedition's goal was the explore the new land to the west. One of there other goals was the find a waterway that stretched from the east side of the US to the other side, also known as Sea to Shining Sea.
1. Johnston and Lee attacked McClellan - Battle of Seven Pines; This was part of the Peninsula Campaign designed to quickly capture Richmond2. Commanded Army of the Potomac - Gen. McClellan, his distrust led to Lincoln replacing him. He would also later challenge Lincoln in the 1964 Presidential Election.3. Kept Union Army in Washington, D.C. - "Stonewall" Jackson; Jackson was quite possibly a better General than Lee; Lee mourned his death greatly. He was accidentally killed by one of his own sentries. 4. Commanded Army of Virginia - Robert E Lee; He was originally Lincoln's first choice for the Commander of the Union forces. When Virginia seceded, however, he could not take up arms against his own countrymen and kin. 5. Commanded Union forces in the East - General Halleck; His defense first mindset led to his quick replacement. Lincoln called him a glorified clerk6. defeated Pope at the 2nd Battle of Bull Run - Jackson and Lee; Pope met adn attacked Jackson's forces. When Lee's men arrived, Pope had to retreat7. Bloodiest single day battle - Antietam; it was also one of the earlier battles. It showed that the war was not going to be over quickly.
hopes this helps