We probably wouldn't have had as much technicologic inventions and the leader system would probably be messed up as well.
Answer:
On February 1, 1917, the lethal threat of the German U-boat submarine raises its head again, as Germany returns to the policy of unrestricted submarine warfare it had previously suspended in response to pressure from the United States and other neutral countries.
Explanation:
Hope this helps. :)
Isaac Newton discovered the universal law of gravitation
Answer:
false it was expected to last 18 months and 2 years
Explanation: