The words also, however, instead, and therefore are examples of

The answer to this question is transition words.

Transition words are words that is used to connects one idea to another. Transition words also helps the readers to give connection to one sentence to another one. There are types of transition words and this are additive transition, adversative transition, casual transition, and sequential transition.   

i think it's either 'to expose the corruption of the communists in russia', or 'to criticize animal brutality by communists in russia.'  

hope this ! : )

what he !