Becca Palczynsky January 15, 2014 2014, GFL, High School, Middle, OAS, U.S.A. Cattle Drives and Westward Expansion Becca Palczynsky January 15, 2014 2014, GFL, High School, Middle, OAS, U.S.A. Click on the image above to download the lesson. Description: This lesson will give the students an understanding of the purpose and location of the cattle drives and how they influenced Westward Expansion. Grade level(s): Middle and High School Standards: OAS, GFL Produced By: Lee Ann Harrelson