West Berlin was an island of the West, or the Western Curture, or Western sphrere of influence, surrounded by the Eastern Bloc/Western sphere of influence on all sides. It lied in the middle of East Germany, a socialist country, and did not have any direct land connection to other capitalist countries.
Arab nations of the Organization of Petroleum Exporting Countries (OPEC) imposed an embargo against the United States and its allies as a response to the U.S. decision to provide military support to the Israeli in order to give the Israel a jump start in the post-war peace negotiations.
Physical Sciences have to do with scientific experiments. HOPE I HELPED!