Many of the American people where not in favor of joining the war. They wanted to stay neutral. But in the long run America joining the war also sped the war up by ending the war. <span />
The Central powers, composed of Austria-Hungary, Germany, the Ottoman Empire and Bulgaria, lost World War I.
The second Amendment gave the right for citizens to own thwir own weapons.
Because the Silk Road was too long to travel so they wanted a shorter way to Asia.