What role to infant attachment play in overall child development (long term)

PSYCH 241 Discussion : 

After viewing the following videos:

1. Infant Attachment : https://youtu.be/DRejV6f-Y3c
2. Infant Temperament : https://youtu.be/tLQdd6R79xw
3. Dad and Baby Talk :   https://youtu.be/CejhQC9hUO8
4. Child of Rage Video :  https://youtu.be/g2-Re_Fl_L4

Answer the following questions:

1. What role to infant attachment play in overall child development (long term)
2. How does infant temperament impact infant attachment
3. What are some ways in which parents can encourage a secure infant attachment?
4. What happened to Beth that prevented her from forming a proper attachment