AIDS is a sexually transmitted disease. It was caused by people penetrating their partner from where humans aren't supposed to, in a place where bacteria is common.
A constitution is an aggregate of the fundamental principles and constitutes a legal basis of poly and organization and entity. They are written in a single document which is a set of the legal documents and is written in a single comprehensive document and is embodied by a codified constitution such as s hose pf the united kingdom, consisting of the schedule articles and the amendments.