built the Great Pyramids
developed advanced irrigation
expanded the empire’s territory
improved trade and transportation
Answer:
I think Barack Obama will be remembered as the first African-American ever to be elected president of the United States.
Jefferson Davis was elected Confederate president.
<span>As they steadily lose ground to the communist forces of Mao Zedong, Chinese Nationalist leaders depart for the island of Taiwan, where they establish their new capital. Nationalist leader Chiang Kai-shek left for the island the following day.</span>