I believe the answer would be C. They allowed for much stronger and more durable weapons.
The ingredients and the efffect to the west are:
- Agricultures,
The development of agricultures that stopped people from hunting/gathering ways into planting crops/harvest, which became the main economy of the west
- Cities
The building that by the western societies prevent invaders from taking their
resrouces
- Population
Due to massive food source, the population in western hemisphere grew rapidly
Perceptual regions reflect the cultural identity of the people in the region.
The Big Apple (New York City), the Midwest, the South, and New England are other examples of perceptual regions in the United States.
(Hope this helps!!)
Many of the white men thought that the blacks had too much power then, they wanted to take it all away from them. It didn't originally start out so violent, but gradually over time the more violent it got.