Some obstacles which prevents third party candidates from winning elections;
Not a well known name, not enough money for campaigning, minority of voters go outside democrats or republicans. However, most of all is the ability to withstand your opponents and go the distance.
Answer:Sinking of American merchant ships
Explanation:In early 1917 Berlin forced the issue. Its declared decision on 31 January 1917 to target neutral shipping in a designated war-zone became the immediate cause of the entry of the United States into the war.
The just prior to the Europeans because Lewis and Clark didn’t discover America
Answer:
they fought for North America and there rich fur trade
The rich became richer and the poor poorer.
