The anterior cerebral artery extends upward and forward from the internal carotid artery. It supplies the frontal lobes, the parts of the brain that control logical thought, personality, and voluntary movement, especially of the legs. Stroke in the anterior cerebral artery results in opposite leg weakness.
Maria Theresa ruled for forty years the wide empire of Austria. Maria Theresa's first challenge was Prussia. They tried to occupy Silesia after the death of her father.
Less than a year afterwards, on 24 April 1854, at the age of sixteen and a quarter, Elisabeth became Empress of Austria, Queen of Hungary and Bohemia, etc, etc, etc. Sophie never cared for Elisabeth, and her attempts to train Sisi to become a proper Empress did not take into account the girl's own wishes and needs.