Answer:
It is true that the protostome developmental sequence arose just once in evolutionary history.
Explanation:
During evolution the Bilateria had been into two major divisions. One was the protostomes and another was the deuterostomes. It is all categorized during the embryonic development.
It is differentiated by the formation of anus and mouth. The protostomes include the annelids, molluscs and arthropods. Studies reveal that Protostomes are derived from their prebilaterian ancestors.
The protostome developmental sequence has been aroused only once during evolution which lead to the evolution of more than thousands of new species. They then were subdivided into two major group, namely Lophotrochozoa and Ecdysozoa.
If the stock price fell, the buyer still had to pay the balance owned
The answers are "Massachusetts" and "April 19, 1775", so "- the battles of Lexington and Concord took place in the colony of Massachusetts on April 19, 1775".
The battles of Lexington and Concord were the first hostilities of the American Revolutionary War, marking the outbreak of the conflict. They took place in the Middlesex County, Massachusetts, in the localities of Lexington, Concord, Lincoln, Menotomy and Cambridge.
WWII America watched everyone fight it out and when Germany was about to lose came in and stole the credit
The destruction of Europe again completely made Europe weaker than US.
Distrust of the Russians, US refused to help the USSR when they could have easily done so to build up trust.
So in the end the only superpowers remaining were the US and USSR and in any situations there can only be 1 leader of a world. Both competed to be the best which leads to the arm race and the cold war. But soon the US outcompeted them and became what it is today.
The world superpower that creates a mess all over the world to promote its own interests