Fix grammatical mistakes in this sentence: Some countries which didn't support nuclear power before, like Australia, have started developing their nuclear power generation.
The United States has been a major player in the world's nuclear power industry since the 1950s.
The United States has been a major player in the world's nuclear power industry since the 1950s.
The United States has been a major player in the world's nuclear power industry since the 1950s.
The United States has been a major player in the world's nuclear power industry since the 1950s.
The United States has been a major player in the world's nuclear power industry.
The United States has been a major player in the world's nuclear power industry.
The United States has been a major player in the world's nuclear power industry.
The United States has been a major player in the world's nuclear power industry.
The United States has been a major player in the world's nuclear power industry.
The United States has been a major player in the world's nuclear power industry