The best paraphrase would be choice C
Start with the the topic of what u are talking about then u should be giving details of ur story if ur in the second paragraph...
The main reason for Hitler's invasion of the Soviet Union was that "<span>C. He wanted access to Soviet oil fields to keep his war machine running." Even though he had signed a pact with Russia previously, this was just to stall for time while he built up his forces to attack.</span>
The correct answer here is <span>C. Rome’s centralized government was replaced by the rule of many local kings and nobles.
The reason why this happened is because there were a lot of smaller rulers from different tribes and factions that wanted to gain power now that there wasn't a central roman government anymore.</span>