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, such as their fine art work. Yes-the people of the Southwest are known for their beautiful silver and turquoise jewelry. The people of the Northwest Coast are known for their fantastic woodcarvings. The Plains Indians are well known for their beautiful beadwork. But other than art, the Native Americans have influenced many areas of American living. Some of these things were begun long before the arrival of the European settlers on North American land. DID YOU KNOW THAT ONE OF THE MOST IMPORTANT ASPECTS OF NATIVE AMERICAN LIFE IS ECOLOGY? People of today have just begun to think about this. The Native Americans have always had a deep respect for the land. There was a love of every form of life. The Native Americans did not kill anything they could not use. They never killed an animal or a fish for the sport of it. Fishing and hunting were a way to survive. The Native Americans lived in harmony with nature and did not abuse the natural world. Native Americans were ecologists long before they were ever used.