Explanation:
The statement in the Preamble that "We the People" establish the constitution expresses the principle of what? They needed their own government. Why do you think each state created its own constitution? What were some of the common features shared by the state constitutions?
In 1863, the nature of Civil War shifted. On a January 1st of that year, President Lincoln issued the Emancipation Proclamation, freeing slaves in the Confederate states... With the Emancipation Proclamation, the struggle between North and South transformed into a war to end slavery.
Tariffs on imports
The 1920s presidents began a system of tariffs on imported good to encourage spending on American goods only. However, with no trade, European countries were unable to make money.
Tariffs are taxes on imported goods. This is a common economic policy of conservatives.