In a mixing bowl, combine the first five ingredients. Add water and oil; beat until smooth. Turn onto a floured surface; knead until smooth and elastic, about 5 minutes. Place in a greased bowl; turn once to grease top. Cover and let rise in a warm place until doubled, about 30 minutes. Punch dough down. Divide in half; roll each portion into a 12-inch circle. Transfer to greased 12-inch pizza pans. Prick dough with a fork. Bake at 400° for 8-10 minutes or until lightly browned. Combine sauce ingredients in a saucepan. Bring to a boil; reduce heat. Simmer, uncovered, 15-18 minutes, stirring occasionally. In a skillet, saute vegetables in oil until tender. Spread each pizza with 1 cup sauce (refridgerate the remaining sauce for another use). Sprinkle with vegetables and cheese. Bake for 12-15 minutes or until cheese is melted.