Complex sentence: Commerce and Services based in Cuiabá are important to the whole State, because population is divided in several small agriculture-centered cities; these people often travel to the capital to get these services and buy goods not sold anywhere else.
Split into simpler sentences: Commerce and Services based in Cuiabá are important to the whole State, because population is divided in several small agriculture-centered cities. These people often travel to the capital to get these services and buy goods not sold anywhere else.