I believe the answer is: They worried about having to take part in future wars.
At that time, the united states senates prefer to take the position as a neutral force that want to avoid any intervention toward other countries' problems. This stand is taken away the moment the Japanese army decided to initiate an attack to the pearl harbour.
(this isnt an answer) Obviously you came from k12 so we are in the same boat, did you ever find the answer?
Their sea power(Dreadnought) so Britain have a arms race with Germany before the First World War
Answer : As the US expanded after the Revolutionary War, the Northwest Ordinance of 1787 helped organize the new territories and set up the steps each territory needed to take in order to become a state. It is interesting to note that the Northwest Ordinance outlawed slavery in the Northwest Territory.
Explanation: HOPE THIS HELPS
