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
Freed slaves or the enslaved negroes/black farmers migrated to western territories because the west was new and the United States Agrarian Reform had promised them a free land which is forty (40) acres and a mule under the Homestead Act of 1862.
He wanted to use the Mississippi for trade
A new concept that became popular with department stores was using credit cards, and buying on credit: it allowed the users t posses good they cannot afford and on the other hand gave more revenue to the shops and they could charge interest.
Convincing the American colonists it was time to break away from England's rule and abusive monarchy.