This nest building behavior is instinctual for male bettas and it is not necessary to have a female present to observe your betta building his nest. Most males will blow bubbles but the rate and size of the nest seems to depend on the individual male and possibly, other factors like age, health and water parameters.
Berlin was always the centerpiece of the Cold War and, more often than many remember, very nearly the front line of real combat. At the end of World War II, the city was divided into four sectors, each occupied by one of the four allied armiesâU.S., Soviet, British, and French.
Josef Stalin (sov. leader at the time) wanted the U.S. out of west Berlin because after WWII ended, Germany was split into West and East Germany, and so was Berlin.But it hap â¦ pened that Berlin was in East Germany. Stalin wanted the U.S. out so he blockaded the area and cut off the power.osef Stalin (sov. leader at the time) wanted the U.S. out of west Berlin because after WWII ended, Germany was split into West and East Germany, and so was Berlin.