The cultural differences between the West Coast (where the 49ers are based) and Midwest (where the Rams were based) also added to the intensity of the rivalry and with the Rams moving back to Los Angeles the rivalry is once again West Coast based.
The cultural differences between the West Coast (where the 49ers are based) also added. Midwest (where the Rams were based) also added. The rivalry is once again West Coast. This is to the intensity of the rivalry and with the Rams moving back to Los Angeles. This West Coast is based.