I need these 2 answers ASAP

The soviet union communist government was different from bad i germany's fascist goverment

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?