AP World History 101. Feudalism and the Crusades Video. Feudalism developed in Western Europe at around 800 C.E. from the remnants of the Western Roman Empire. As a result of central authority being unable to perform its functions and prevent the rise of local powers, this decentralized organization formed.
LEED, which stands for Leadership in Energy and Environmental Design, is a certification program focused primarily on new, commercial-building projects and based upon a points system. The more points you earn, the higher your rating.
A LEEP is a procedure in which a provider removes abnormal, pre-cancerous cells from the cervix, which is the opening to the uterus. The provider uses a thin, wire loop that is attached to an instrument called an electrosurgical generator.