Nerve Compression. The compression of nerves after they leave the spinal cord can cause leg spasms. Spinal nerve compression can create conditions that affect the spinal column, such as osteoarthritis, spinal tumors and herniated disks, according to MayoClinic.com.
With diseases which Europeans brought unintentionally with them and  Native Americans didn't have any resistance to them.   More technologically advances weaponry, gunpow â¦ der using handguns,  and cannons.  Metals, like iron, which was unknown to the Native Americans, armor  made out of iron and steel.ith diseases which Europeans brought unintentionally with them and  Native Americans didn't have any resistance to them.   More technologically advances weaponry, gunpow â¦ der using handguns,  and cannons.
The Native American death rate from disease (1/3-1/2 population) similar to that of European children (that 's why Europeans had so many children). These diseases killed millions of Native Americans, terrorized survivors, and paralyzed normal social and political relations.he Native American death rate from disease (1/3-1/2 population) similar to that of European children (that 's why Europeans had so many children). These diseases killed millions of Native Americans, terrorized survivors, and paralyzed normal social and political relations.