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.
One of the most dramatic standoffs in the history of the Cold War begins as the Soviet Union blocks all road and rail traffic to and from West Berlin. The blockade turned out to be a terrible diplomatic move by the Soviets, while the United States emerged from the confrontation with renewed purpose and confidence.or a few tense days, the world waited to see whether the United States and Soviet Union would come to blows. In West Berlin, panic began to set in as its population worried about shortages of food, water, and medical aid. The United States response came just two days after the Soviets began their blockade.