Two factors led contribute to a detrimental relationship

Two factors leading to detrimental relationship:

1.Aggressive behavior

2. Being violent

Explanation:

1.Aggressive behavior:creates physical and emotional harm because it changes from verbal abuse and leads to physical abuse.It should be prevented in a relationship because it originates harm both physically and mentally.

2. Being violent:this is mainly physical.Once a person in a relationship starts to physically hurt his/her partner,this can create disputes b/w the two.

to and without are prepositions, so a, b, and d are prepositional phrases. the adverb phrase is c, about the surprise.

explanation: