Why is elementary school success an indicator of graduation rates?

why is this sentence not a thesis statement?
it is not a debatable topic.
it is a question.
it is an opinion.
it is not a fact.

At which level of production does the company make the most profit? the first pair of cleats the second pair of cleats the third pair of cleats the fourth pair of cleats

Read the aphorisms. be slow in choosing a friend, slower in changing. an open foe may prove a curse; but a pretended friend is worse. a true friend is the best possession. according to these aphorisms from benjamin franklin's poor richard's almanack, what might happen if a person is careless in choosing a friend? it is best not to have friends because they will usually betray you. casual friends are often the best and can be more trusted than enemies. a person who has betrayed you can sometimes become a good friend. a friend who is not carefully chosen can be worse than an enemy.

How is germany's location in europe an advantage during wwii?