Answer:
Sorry I am not sure about the answer It might be the first option
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Hope it helped you
If not then I am sorry for that
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The launch of Sputnik 1, the first artificial satellite created by the USSR, generated a big reaction from the United States. The United States wanted to get a technological advance to the Soviet Union, as they were currently in a period of the Cold War where the arms races and space race was heavy. It also created the effect across the United States that the US was not the most technologically advanced country and that the Soviet Union was not as backwards as it had been stated as being.
Native American issue I’m guessing
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.
The correct answer is: German troops invaded France through Belgium on August 4th, 1914, as part of the Schlieffen Plan.
Not only had Britain promised to defend Belgium under the Treaty of London of 1839, moreover German control of Belgium would have been seen as a serious threat to Britain.