Sarah opened a shoe shop in Los Angeles, California to sell the shoes she designs. Which of the following statements is an example of cultural diffusion related to Sarah's business?

First-year profits for Sarah's Shoe Shop were 50 percent higher than predicted.
Sarah's Shoe Shop signed a new local advertising deal to increase brand awareness.
Sarah's shoe designs became very popular and her business expanded to neighboring states.
While on vacation in England, Sarah saw a woman wearing an attractive brand of shoes.