The reason of why this is happening is because since the fall of the Soviet Union socialism has proved not to be effective as an economic-political system. On the other hand, free market policies have led the countries that carry them out to improve their economies and stabilize their societies. Examples of countries destroyed and indebted by war, such as Japan or Germany, have gone ahead thanks to policies of international cooperation and free trade. Taking notice of this, the countries of the communist sphere have begun to develop free-market policies, in pursuit of achieving the development they observe in their neighboring countries.
army is a group of people fighting for something or someone.
The tragedy that struck NASA in January of 1985 was, The Space Shuttle Challenger disaster, the challenger blew up killing exactly or around 7 people including a teacher that would be the first teacher to go to space.