Erosion , it erodes the rocks and pulls particles away
<span>A. the United States was the region.</span>
Answer:
Option B is the right answer.
Explanation:
This civilization endured on the Mexican Bay. They are known for the making of gigantic massive figure or sculpture of heads. It spread its influence on Aztecs and Maya civilization.
This civilization is pure and pristine as they did not depend upon migration to achieve survival. Stone figurines and wooden relics are the only remnants of this civilization. Interaction with the holiness was the significant part of their life. Human sacrifice was practiced by Olmecs.
They believed in the existence of super natural being. They were talented in sculpting and engineers. They were honest traders and no one knew how the civilization experienced the downfall as they had no rivals.
The Crusaders did sort of innovative advances in warfare by changing their style in fighting from infantry to cavalry army, using of horses replaced the idea that foot soldiers assembled the core of a battling force, wearing helmet as one of their apparel that made of conical iron with leather attached at the back by protecting the neck and the nose at the front. The ornate helmet was materialized from the first crusade onwards was now standardized. Another factor that innovates is the shield. It was replaced by a round or triangular-shaped shield that covers the upper body of the carrier.