Answer:
strengthened racial segregation in public accommodations and services throughout the United States and ensured its continuation for more than half a century by giving it constitutional sanction.
so im sure it would be either d or a
PLEASE MARK ME AS BRAINLIEST
Explanation:
<span>The difference between the number of live births and the number of deaths during the year. When the number of births exceed the number of deaths.</span><span />
The Qin dynasty was the first dynasty to start connecting the various walls into a greater whole. That happened around 221 to 206 BC and was done under the reign of Qin Shi Huang. Though the wall was later improved still by other dynasties, it was during the Qin dynasty that the Great Wall of China was first formed into a cohesive structure.