The Korean War or conflict can be compared to the Vietnam War. The basic reason behind the United States taking a active role in these wars was to stop independent nations falling under communist control.
Negative because it prevented immigration from Asia and set quota on immigration coming in due to myths that immigrants would take away jobs from Americans already here. But some immigrants coming in were highly educated therefore if the quota was met they could not come in till next year
Automatic guns and artillery weapons
Explanation:
A former Whig, Lincoln ran on a political platform opposed to the expansion of slavery in the territories. His election served as the immediate impetus for the outbreak of the Civil War. ... In 1865, Lincoln was instrumental in the passage of the Thirteenth Amendment, which made slavery unconstitutional