The Hydrogen Bomb - First Test 1952
The Nuclear powered submarine - USS Nautilus, 1954
Computer Guided Intercontinental Ballistic Nuclear Missiles - Not sure of official date of the first true modern ICBM test launch.
The steam engine was invented during the Industrial Revolutions of the 19th century. Other main inventions include the sewing machine, telephone, and the phonograph.
the main inventions were farming and learning how to make city states
Although the main effort during both offensive and defensive operations is military to military contact the secondary effort is?
Robert E. Lee was the main military leader of the Confederacy during Civil War. He was the general for most of the CW times.
The U.S.S.R.
Answer this question… What was the Soviet Union's main motivation for providing military support to Egypt during the Suez Canal crisis?
steam engine, cotton gin, telegraph, sewing machine, first train (locamotive) may not be 5 "main" inventions but are all certainly important
Their satellite states.
A cold war or cold warfare is a state of conflict between nations that does not involve direct military action but is pursued primarily through economic and political actions, propaganda, acts of espionage or proxy wars waged by surrogates. The surrogates are typically states that are "satellites" of the conflicting nations, i.e., nations allied to them or under their political influence. Opponents in a cold war will often provide economic or military aid, such as weapons, tactical support or military advisors, to lesser nations involved in conflicts with the opposing country. There were numerous non-atomic wars during the Cold War, such as Vietnam, but the one that got everyone's attention was the threat of atomic warfare.
Keep the ports open
There is a lot but the main inventions were the steamboats, telegraph, railroads, spinning jenny and the cotton gin.
US vs USSR (Russia)