Abolitionists employed each of these techniques. The underground railroad was a system used to help slaves escape. Religion played a critical role in helping people realize the immorality of slavery and armed force was used in certain cases (occasionally resulting in even greater problems or backlash from slave owners).
Answer:
There no multiple choice but here are some facts about The Olmec Civilization.
The Olmec were the first great Mesoamerican civilization.Olmec civilization produced some of the greatest Mesoamerican artworks.They created the most exceptional jade artworks by any Mesoamerican culture. They were the first Mesoamerican culture to build monumental sculptures.
When it was designed, it was the largest dome in the world.This immediately created problems as its size prevented the traditional method of construction. Its structure is a double shell supported by sturdy pillars.
