Sources such as diaries though not very reliable can be used if there are a large amount of them showing the same date and event. Historical books written about the event especially those closer to the time would be able to help determine that the date is accurate as well.
the right answers are A The Revolution of 1911 established a republic. and
B The Revolution of 1911 ended imperialist rule.
I believe the answer is temple mount
D. Soviet Union
Germany, Italy and Japan were the axis power