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.
Native Americans are more commonly known as Indians or American Indians. The term Native American was introduced in the United States in preference to the older term Indian to distinguish the indigenous peoples of the Americas from the people of India, and to avoid negative stereotypes associated with the term Indian.n June 2, 1924, U.S. Republican President Calvin Coolidge signed the Indian Citizenship Act, which made all Native Americans born in the United States and its territories American citizens. Prior to passage of the act, nearly two-thirds of Native Americans were already U.S. citizens.