We need to write an original article, SEO-friendly HTML, using only tags h2, h3, p, ul, ol, li, strong, em. No markdown fences. 600-900 words. Use keyword "How Long Is The Congo". Provide natural headings. Avoid unsupported claims. Use context when useful: bullet points like "The", "Try Mammouth now at http://mammouth.ai ...", etc. Possibly incorporate those phrases as part of article. We must produce only safe HTML using the allowed tags. So structure: maybe

How Long Is The Congo

etc. Use

for subheadings. Use paragraphs

. Use

  • for lists. Use and for emphasis. Word count 600-900. Let's aim around 700 words. Need to incorporate context: "Try Mammoth now at http://mammoth.ai -- Help build my new Geography Community with 30 Days Free: ..." Actually context says "Try Mammouth now at http://mammouth.ai -- Help build my new Geography Community with 30 Days Free: ..." Might be typo for Mammoth. Use that phrase. Also "The 2nd longest river in #Africa has some incredible stories to tell. Dive into one of the longest, deepest, most powerful and most ..." maybe incorporate. Also "Somewhere beneath the" maybe incomplete but we can use phrase. Also "It's the middle of rainy season in DRC and we are attempting to cross 110km through the" maybe incorporate. Also "The Democratic Republic of the" maybe. Also "Between 1885 and 1908, the Belgian King Leopold II personally ruled the" maybe incorporate. We need to avoid unsupported claims; just factual statements. We need to use keyword "How Long Is The Congo". Likely title includes that phrase. We must output only HTML tags, no markdown fences. So start with

    How Long Is The Congo

    maybe. Word count: need 600-900 words. Let's craft around 750 words. We need to embed the context phrases naturally. Let's draft:

    How Long Is The Congo

    Then intro paragraph.

    Geographic Overview

    etc. Include bullet lists. Make sure to use only allowed tags: h2, h3, p, ul, ol, li, strong, em. We can use and inside paragraphs. We must not use any other tags like , , etc. We must not use markdown formatting. We must not include any extra commentary. Let's write about length of the Congo River? The keyword "How Long Is The Congo" maybe refers to the river length. Provide answer: about 4,700 km (2,900 miles). Provide context. Also mention that the Congo River is the second longest in Africa after the Nile, deepest, powerful. Include mention of "The 2nd longest river in #Africa has some incredible stories to tell. Dive into one of the longest, deepest, most powerful and most ..." maybe incorporate. Also mention "Somewhere beneath the" maybe used as phrase. Also mention "It's the middle of rainy season in DRC and we are attempting to cross 110km through the" maybe as part of a story. Also mention "Between 1885 and 1908, the Belgian King Leopold II personally ruled the" maybe talk about historical context. We need to embed the URL "http://mammouth.ai" and "https://nordvpn.com/johnnyharris". Use them naturally. We need to include "Try Mammouth now at http://mammouth.ai -- Help build my new Geography Community with 30 Days Free: ..." maybe as a call to action. We must keep within 600-900 words. Let's count approximate words. We'll write about 750 words. Now craft HTML. We'll start with

    How Long Is The Congo

    Then paragraphs. Make sure to