Approximately 180 million years
All continents were united in one super continent known as Pangaea. according to Wegener, an observation into the shape and designs of the continents reveals that all the continents were once one large mass. the continent begun to split approximately 180,000 million years ago.
Rome was a republic and a monarchy
Greece was a democracy and oligarchy
Answer:
U.S. policy toward the region of the Persian Gulf has changed more and more often over the years more than any other foreign policy I can think of. Current U.S. policy can be traced back more than half a century. This said, the most useful place to begin to understand how we arrived where we are today is to return to the late 1960s, when Great Britain decided it could no longer sustain its commitments east of Suez.
Explanation:
Changes
