If I remember correctly, it showed the French that the colonies had a chance of winning the war.
They took the ice bridge connected to America, which soon collapsed after the Asians reached the Americas.
Gettysburg. That's the answer.
The correct answer is option B:
B. Construction.
The us economy after world war 1 relied in large part on "inflation" since this was a major symptom that led up to the Great Depression and the 1920s bubble.