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What is the main idea and one supporting detail in the following passage:
Many hundreds of thousands of people died when atomic bombs were dropped in Japan near the end of World War II. Thousands of nuclear bombs have been manufactured over the years, and today’s nuclear bombs are far more deadly that the two dropped on Japan. There is fear that some countries will gain this knowledge and direct attacks on Europe, America or their allies. While regulations are tightly controlled, Iran and North Korea have ongoing plutonium enrichment programs that cause the U.S. alarm.
The main idea is that Nuclear bombs are deadly or dangerous. A supporting detail could be:
Many hundreds of thousands of people died when the atomic bombs were dropped on Japan. Thousands of nuclear bombs have been manufactured over the years and today's nuclear bomb is more deadly than the two dropped on Japan. There is fear that some contries will use nuclear bombs against Europe, America or their allies.