Answer
The answer is Amhara region, located in northwestern Ethiopia. Tewodros II, born in 1818, was a significant figure in Ethiopian history and is often referred to as the "Father of Modern Ethiopia." He played a crucial role in the reunification and modernization of the country during his reign, which lasted from 1855 to 1868. Tewodros II was known for his military prowess and his efforts to establish a centralized government.