Complex sentence: Primarily centered on Kandahar, Kabul and Ghazni in Afghanistan and Charsadda and Balochistan in Pakistan, the Mohammadzai ruled Afghanistan from 1826 to 1973 when the monarchy finally ended under Mohammad Zahir Shah.
Split into simpler sentences: Primarily centered on Kandahar, Kabul and Ghazni in Afghanistan and Charsadda Pakistan. The Mohammadzai ruled Afghanistan from 1826 to 1973 when the monarchy finally ended under Mohammad Zahir Shah.