Which of the following describes the spread of feudalism? Select all that apply

this is a good question! i'll do some research and come back when i have the answer!

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.

c) all of the above