Answer:The last one
Explanation:The Americas were the last (well, second-to-last if you count Antarctica) continents to be inhabited by early humans. Archaeologists estimate that people entered North America by crossing over the Bering Strait, which back then was a wide swath of land, about 15,000 years ago. In other words, people got here by walking a very long distance.

So an iron triangle comprises or makes the base of the policy making relation over or among the congressional committees,the bureaucracy, etc.
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Answer:
The significant difference between Athens and Rome was that Athens was a democracy and Rome was an oligarchy with some democratic components. Athens was a democratic city-state while Rome followed the Oligarchy form of government. Athens was supervised by a democratically elected assembly.
Answer:
Today, almost every American has a cell phone, and the vast majority of these devices have Internet and video capabilities. As a result, whenever a newsworthy event happens, there is usually someone around who can record the event; these people can become citizen journalists, which is a big advantage. Often, it can take minutes or hours for professional news personnel to arrive on the scene of an important event. During the Iran protests of 2009, all official international journalists were expelled. Only ordinary citizens were able to take pictures and video of the events. These people risked their lives to transmit information to the outside world, and thousands were imprisoned as a result.
Explanation:
It went into affect on April 17, 1861