It is just what it says: the subject alone, stripped from an other words associated with it.
Ex.
The fancy red sports car in my garage is broken.
complete subject = fancy red sports car
simple subject = car
1 his hair
2 then they wouldn’t have beef
3. Because all the hard times they’ve had
Answer: Just hit submit.
Explanation:
The sentence is complete, nothing needs to be changed.
Here's what Swaniker says about this relationship: ''When societies have strong institutions, the difference that one good leader can make is limited, but when you have weak institutions, then just one good leader <span>can make or break that country.'' Since he believes that Africa has extremely weak institutions, starting from the judiciary system and constitutions to many more others. He believes that, with the right leader, Africa can undergo serious positive changes. At the same time, a corrupted or incompetent leader can do so much harm, since there are no properly functioning institutions to stop him.</span>
Number 4 because the dog ate the slice and he shouldn’t be doing that while the other images just show a girl caring for her family