 
 <prompt> ```wetin be di first place wey dem mention? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context:``` <response>: In 1808, Napoleon and Czar Alexander meet for Congress of Erfurt to save the friendship between Russia and France. Dem two leaders bin get beta relationship after dem first meet for Tilsit for 1807. But by 1811, wahala don dey as tension dey rise and Alexander dey under pressure from Russian nobility to end the friendship. One major issue wey cause problem between the two countries na say Russians dey always break the Continental System wey make Napoleon threaten Alexander with serious consequences if he join alliance with Britain. 