The Cambrian Explosion resulted in the evolution of the first representatives of most animal phyla. The second option among all the options given in the question is the correct option. The Cambrian Explosion is also known as Cambrian Radiation and it took place around 542 million years ago.
Answer:
A.
Explanation:
The Monroe Doctrine was passed in 1823, less than fifty years after the independence of the American colonies from Britain. Europe was still very much active in the Americas at the time and countries like Spain still controlled extensive territories in the New World despite the Independence of many Latin American territories. The purpose of the Monroe Doctrine can best be summed up by James Monroe when he said that America is for the Americans.
On the other hand, the Americans had many intangible advantages. The British fought a war far from home. Military orders, troops, and supplies sometimes took months to reach their destinations.
