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.
The United States and the Soviet Union came to the brink of nuclear war. The Cold War policy of containment was tested 90 miles from the Florida coast on the island of Cuba where the Soviets were installing nuclear missiles.fter much deliberation, on October 28th, the Soviet Union agreed to remove all missiles in Cuba in exchange for the United Sates removing all missiles in Turkey. The outcome of the crisis forever altered the course of the Cold War as both sides saw just how close they had come to a nuclear conflict.