 
 <prompt> Wetin be di last ethnicity wey dem mention? Based on di last question, write one context wey get di answer. E fit be 1 - 20 sentences. Context: <response>: The French Marines and naval infantry wey dey plan to invade northern Germany, dem send dem go reinforce the French Army of Châlons but dem fall into captivity for Sedan along with Napoleon III. Because of shortage of officers, wey happen after dem capture most of the professional French army for Siege of Metz and Battle of Sedan, na so dem send naval officers from their ships to come command the hastily assembled reservists of the Garde Mobile. As the autumn storms for North Sea dey force more of the French ships to return, the blockade of the north German ports reduce and for September 1870, the French navy abandon the blockade for winter. The rest of the navy come back to ports along the English Channel and dem remain for port for the rest of the war. 