Answer:
Thymine
Explanation: It’s logic I have no explanation but I learned about this
Option 2 I know because I had to answer the same question at some point.
1. B.) <span>A crowd of about 20,000 people demonstrated in 1905 in St. Petersburg to appeal for "Workers' reforms"
2. A.) </span><span>This demonstration led to "Bloody Sunday"
Hope this helps!</span>
Part of socialism was to remove the class structure and to improve conditions of factory workers. During this time (especially in Russia) workers did not have good working conditions, so the workers accepted socialism as it would increase their conditions.