When the number of foreign tourists and more People in the community have been influential on the language, food and dress because it must respond to the needs of tourists.
When the number of foreign tourists increased. People in the community have influenced the language, food and dress. I must respond to the needs of tourists.
When the number of foreign tourists increased. The people in the community are influenced by the language, food and dress. Because of the need to respond to the needs of tourists.