20th century, the Liberals and Progressive Conservatives continued their dominance into the 21st century. Teachers negotiate their salaries with the province, which raises and distributes funds to school districts on the basis of equality so that all areas of the province enjoy similar standards. A number of small computer software companies operate in several of the provinces cities as well. Within the province, cities became the employment centres, although the common practice of commuting from rural homes or from suburban areas prevented significant urban population growth. A premier and a cabinet exercise real power. There are no true mountains, although ranges of rugged and sometimes steep hills run east-west a few miles north of the Fundy coast and in the north-central part of the province, where the highest elevation. Craft fairs featuring excellent work in wood, pottery, and other media are very popular in summer and fall.