The answer of this questions is D
Answer:
The protesters were calling for democratic reforms.
Explanation:
When the protesters called for democratic reforms, the position of the power holder in China could be threatened. This is why the troops fired on the protesters.
Answer:
The revolution can be thought to have officially started in March 1917 as the bond between the Tsar and most of the Russian people had been broken and Government corruption and inefficiency were rampant.
Explanation:
When Russia entered WW1, they had mobilized about 1.5 million soldiers. At most, the Russians had 5 million soldiers fighting. They couldn't arm all of these soldiers though, because they only had about 4.6 million weapons.