Soviet leader Stalin ordered this blockade June 24th 1948 to May 12 1949. Cutting off all transportation through West Berlin and West Germany, to limit Great Britain, US, and Frances travel to their sectors of Berlin, which lye in Russian/Germany territory (East Germany).
The island of hope.
Some were escaping bad treatment because of their religion. Others were looking for better jobs. For some, food was scarce and their homeland.
Although mercantilism in general did good things for trade within European powers, it also led to conflict since it spawned so much competition. For instance many nations did not take well to having tariffs placed on their goods and would therefore go to war.
By threatening a veto, the President can persuade legislators to alter the content of the bill to be more acceptable to the President. Congress can override a veto by passing the act by a two-thirds vote in both the House and the Senate. (Usually an act is passed with a simple majority.)