<span>The Union army occupied the South to ensure that African-American freedmen enjoyed their full civil and political rights.</span>
C) New settlers arrived at a steady rate and the population increased gradually
The answer is : The crusades.
The Crusades were a series of religious wars between Christians and Muslims started primarily to secure control of holy sites considered sacred by both groups. In all, eight major Crusade expeditions — varying in size, strength and degree of success — occurred between 1096 and 1291.
The Tang dynasty (Chinese: 唐朝[a]) was an imperial dynasty of China preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdoms period. It is generally regarded as a high point in Chinese civilization, and a golden age of cosmopolitan culture.[4] Its territory, acquired through the military campaigns of its early rulers, rivaled that of the Han dynasty, and the Tang capital at Chang'an (present-day Xi'an) was the most populous city in the world.
I think the answer is: D. <span>Determine whether or not the claim has been made before.
Hope this helps!</span>
