You will need A. That is the one u need
Explanation: If you are in a group of..lets say rebels, you are under the influence of their actions and as they beckon you to join them in their rebellious acts you start to do things that are initally against your morals and beliefs. As you continue to give in to the peer pressure you begin losing your morals and beliefs.
When Abraham Lincoln signed the Emancipation Proclamation, which banned slavery in the USA.