Answer:
<h2><em>
A common market</em></h2>
Explanation:
It is a union of 28 states and its total population is more than 512 million. It is an internal single market and has its laws that are applicable in the matters of trade. Its main notice is the free movement of goods, services and capital. It enacts legislation in matters of home affairs and justice. Common policies are also maintained in matters of fisheries, regional development and fisheries. Passports have been abolished in the Shengen Area. Nineteen of the member states also use a single currency called Euro.
The correct answer is option D " …in a changing world worthy institutions can be conserved only by adjusting them to the changing time". Calvin Coolidge was the 30th president of the United States, a republican lawyer that had a successful political life. His philosophy against active government was that institution should change with the government in order to stay active and productive to the society.
The Little Boy bomb is another name for the atomic bomb. It was landed on Hiroshima.