Answer:
my answer would be the 3rd one about blocking it.
The Cold War was the war between United States and Soviet Union following the WWII. After the defeat of the axis powers and the fall of Hilter, the Soviet Union possessed the world's largest enemy. The US possessed the most powerful weapon in the atomic bomb, which had just been dropped on Hiroshima and Nagasaki to defeat Japan. Both nations had allied with one another in the war to defeat their common enemy but this was merely a front to mask the contempt both had for one another. The cold war was the term used to describe the antagonism between democratic America and communist Soviet Union (Russia). While there was never any armed notion of conflict between both nation, the cold war was the battle of ideologies and was waged in nations all over the world between proxy nation. The US goal was to spread democragy throughout the world and Soviet Union's goal was to spread communism.
By keeping them in a healthy mental setting but not being over protective give corporal punishment as necessary
Ecosystem includes all of the biotic and abiotic factors that are found in a given environment. Biome is a collection of different ecosystems which share similar climate conditions.
I think it is A. Stretch a note for longer than its normal time value.