The last power source developed was solar energy
The answer is the last one more couples began to have children
Congress of Vienna<span>, assembly in 1814–15 that reorganized </span>Europe<span> after the </span>Napoleonic Wars<span>. It began in September 1814, five months after </span>Napoleon I<span>’s first abdication and completed its “Final Act” in June 1815, shortly before the </span>Waterloo<span>campaign and the final defeat of Napoleon. The settlement was the most-comprehensive treaty that Europe had ever seen.</span>
