Answer:
I think only white people that owned land
Explanation:
The answers are B, C, and D
There were actually four HUGE causes for WW1, treaties and alliances brought many countries into war, the imperialism of some countries scared other countries, and they were "defending" themselves, there was a lot of weapons stocking, and countries were creating gigantic armies, and that threatened other countries, and then we have plain old nationalism.
The British recognized american independence and handed over majority of its territory east of the Mississippi River which doubled the size of what new America was becoming