It is similar in a lot of different good ways
Confucianism used the Chinese silk trade to spread and Buddhism used the Indian spice trade to spread, include things such as the silk road in your written answer.
the Emancipation Proclamation officially took effect, the ideals of the Proclamation had been carefully contemplated by President Lincoln many months before.
C.) It is a secret route that slaves took to escape from Southern slave states to the North. Even though Harriet Tubman started this, it wasn't to help slaves become free it was to help them escape so it's C