The most significant contributing factor to the Steel Strike of 1919 in the US was the end of World War I, which left many of those workers who had unionized in federal unions with less opportunities for work then prior and during the war.
It gave empires new technologies and attracted more people
3) The Articles of Confederation was replaced by the CONSTITUTION.
Answer: first option!
It provided a code of laws that kept peace and order in the empire !
Explanation: just took the course:)
