When a memory is recalled, it becomes vulnerable again. this is because it must be:

Re-consolidated

Explanation:

Re-consolidated is a process or phenomenon in which already consolidated memory again consolidated and recalled by the memories. It is done because of to strengthen the memory and to modify that memory already stored in the memory.

Individuals need many retrievals to take memory for long years in the long term memory. This process depends on how much deeper the processing occurs in memory. The retrieval could occur at an increasing level of the interval. The re-consolidation process may change the initial process of memory.  

So that when the memory is re-consolidated, it again vulnerable.  

abolish

do away with

unanimous

in complete agreement

secede

separate; break free

inauguration

starting a new position with a formal ceremony.

cooperationist

people who wanted the north to cooperate with the south

surrender

to give up

volunteer

perform a service for free

draft

involuntary service in military

retreat

withdraw; move away from enemy

advisor

expert who gives advice

explanation: