Why did mine owners form the coal and iron police? a. to support local police officers work b. to force striking miners off company property c. to improve the flow of workers to and from company property d. to make certain all safety regulations were being followed

C is the answer to the question

to force striking miners off company property

Explanation:

I believe the answer is D. secure attachment. 

It would be easy if you knew the difference between secure and insecure attachment: according to research, a child with insecure attachment will avoid or ignore the caregiver and a child with secure attachment feel protected by their caregiver. 

If Sandra clings onto her mother's skirt, it shows that she feels like her mother will protect her from strangers.