Fortifications are militaryconstructions designed for defensivewarfare. They have been used for many thousands of years, in a variety of increasingly complex designs. The practice of improving an area's defense is also known as "fortification". Many military installations are known as forts, although they are not always "fortified".
... of which the president and vice president are elected on the same ticket by popular vote for four-year terms. The president has extensive executive powers and is bot ...