By a war of both of the systems
Why is it ? Maybe I can help
The conditions were different because germany had to pay millions of dollars due to the treaty of Versailles.Japan was different because they signed an alliance with Great Britain after WW1
Everything from California to Alaska and between the Rocky Mountains and the Pacific Ocean was a British-held territory called Oregon. The trail pointed the way for the United States to expand westward to achieve what politicians of the day called its “Manifest Destiny” to reach “from sea to shining sea.”
