The Dred Scott decision was a Supreme Court case that ruled that slaves are considered property, not people. Along with this, the Supreme Court ruled that slaves had no legal rights that white citizens are bound to respect. With this in mind, the ruling official allowed slave owners to bring their slaves anywhere in the US, even the states that already outlawed slavery in their constitution.
This was widely unpopular in the North, as slavery (in theory) could now ecist in their state.
Like most societies that developed during this period, China under the Zhou Dynasty had an economy centered on agricultural production. An increased population led to a greater need for food and a greater number of workers, which meant increased agricultural production.
<span>Industrialization leads to Urbanization. It created a economic growth and job opportunities that drew people to the cities. So A is the answer I believe</span>
One of Korea's original three kingdoms, the Goguryeo, was itself heavily influenced by China. And another, the Silla, openly allied with the Tang against its foes. Korea also adopted new philosophies via China: first, Buddhism and later, Confucianism.
