We need to translate visible text while preserving HTML tags exactly. Must output only translation. We need to translate each text node. Keep tags, attributes unchanged. Also preserve whitespace? Keep as is. Let's go through HTML.

Highly opposed by environmental activists, the French nuclear planning was nothing but a fatal threat to the environment and the people. Greenpeace actively campaigned against the nuclear planning, sending out the Rainbow Warrior ship to directly protest it. 

Translate Japanese: "環境活動家から強く反対され、フランスの核計画は環境と人々に対する致命的な脅威にすぎませんでした。グリーンピースは核計画に積極的に反対運動を行い、レインボー・ウォリアー号を派遣して直接抗議しました。 " Note   remains. Second paragraph with strong em:

The French Intelligence planned the bombing of the Rainbow Warrior to stop a protest opposing the nuclear testing of the French. They sent out secret agents, and they executed their plan. 

Translate: "フランス情報部はフランスの核