They had to find people that were willing to do the jobs of the slaves that were being freed. The slaves had to find paying jobs where they would be treated fairly, despite their skin color.
Answer: It was the Greeks
Because it interesting to watch
Europeans began building their empires in the western hemisphere in the early 1500s, but by the 1800s, Spain<span> and </span>Portugal<span> were no longer powerful countries, and the largest British colony had become the </span>United States<span>. </span>Britain<span>, </span>France<span>, </span>Germany<span>, </span>Russia<span>, and the </span>Netherlands<span> continued to colonize during this era, but they also devised other ways to spread their empires. In the late 19th century </span>Japan<span> and the </span>United States<span> joined the European nations as an imperialist power.</span>
Answer:
I would say what was most important would be the adoption of agriculture. Humans no longer had to move around and spend their days solely focusing on finding food. Being able to settle down and make one's own food allowed humans to have free time, and create hierarchies and languages and art, creating societies and civilization.