1 The Democratic Party has changed significantly during its more than two centuries of existence. During the 19th century the party supported or tolerated slavery, and it opposed civil rights reforms after the American Civil War in order to retain the support of Southern voters.
There are many causes of scoliosis, including congenital spine deformities (those present at birth, either inherited or caused by the environment), neuromuscular problems, genetic conditions, and limb length inequality.
Leptospirosis is considered infectious but is not transmitted from person to person. Generally, a disease like this is caused by an infectious agent and not spread between people.Leptospirosis, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.enerally, a disease like this is caused by an infectious agent and not spread between people. Leptospirosis, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.