Neptune's windy atmosphere in August 1989. The ice giant Neptune was the first planet located through mathematical predictions rather than through regular observations of the sky.
well slavery was an big issue because it separated the northern and southern states. the northern states realize that slavery was an unnessary inhumane treatment and wanted to abolished it. While the southern states depended on slaves since they worked for free on their plantation. To resolve this they counted 3 free men for 5 slaves until 1808.
Abraham Lincoln's position on slavery is one of the most discussed issues in American history. Lincoln often expressed moral opposition to slavery in public and private. Initially, he expected to bring about the eventual extinction of slavery by stopping its further expansion into any U.S. territory, and by proposing compensated emancipation in his early presidency. Lincoln stood by the Republican Party's platform of 1860, which stated that slavery should not be allowed to expand into any more t