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.
One of the powerful technologies which Native Americans had was fire, and they clearly changed the landscape with it. Sometimes to clear the woods for hunting or travel, sometimes to create a berry patch, the changes could be found in patches across the continents.ire regimes of United States plants. Savannas have regimes of a few years: blue, pink, and light green areas. Although there are no written documents describing the intentional, controlled burning of forests, it is believed that the cumulative impact of burning by Native Americans profoundly altered the landscape.