Answer: D is right. But there are also many other reasons.
Explanation: League of Nations was formed by Allied powers (from the WW I) so consequently it was viewed as "League of Victors". Moreover USA did not join, may other states did not join and later on League of Nations was unable the prevent outbreak of WW II.
It was created to protect the rights of each us citizen
Homestead Act accelerated the settlement of the western territory by granting adult heads of families 160 acres of surveyed public land for a minimal filing fee and 5 years of continuous residence on that land.
Their land was taken over, as was their food source, making it hard for them to survive. They did not have the same rights as Americans either until 1924. They were forced to live on reservations.
Answer:
Nativism in the early twentieth century
In reaction, some embraced nativism, prizing white Americans with older family trees over more recent immigrants and rejecting outside influences in favor of their own local customs.
Explanation:
i hope this helped a bit!