Tina is introducing her topic by saying, "today i will be talking about the fundamental emotional bond that develops between the infant and the caregiver." what is the topic of her presentation?

I believe the answer is: Attachment

In psychology, attachment refers to the emotional bond that formed between one individual to another, which would determine their influence in each other's life. For infant, attachment tend to be formed naturally toward the primary caretakers which they automatically perceive as their main method of survival.

You can start it off like this
In the 20th Century Canada began to move forward Towards full autonomy this means complete control over all of their affairs to become an independent nation.