The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.
The main way in which support for the Suffolk Resolves by the Continental Congress pushed the colonies closer to war is because this inspired people to take up arms and form groups, which eventually turned into militias.
The Mexican-American war opened up what is now the American Southwest (Arizona, New Mexico, etc) and most of California to American settlers. Following the end of the war in the mid-1800s, Mexico ceded huge swaths of land in the region which was then opened up to American settlers with California being the most popular destination.
Answer:
The answer is - Walls around the city provided protection from enemies, a moat filled with water from the Euphrates River surrounded the city and natural ladnforms offered protection from invaders.
Explanation:
Nebuchadnezzar fortified the city of Babylon and the area that was protected amounted to about 500 acres. The city was impenetrable for that day and age. Not only did it have a protective purpose but an esthetic one as well. The gates were adorne with glazed bricks depicting animals such as bulls, lions and dragons. In addition to this he made a moat and filled with water from the Euphrates River surrounded the city. To the north the city was protected by the Euphrates river and had massive bridges along these rivers that were built up with battlements.