Caesar changed the course of the history of the Greco-Roman world decisively and irreversibly. worlds. Even people
The answer is
Yet.
A coordinated conjuction is a word that joins or coordinates two senteces together, in this case the word yet is conectint he was but a child, and giving meaning to the whole sentece by conecting to he did so much for others, if you read it without the yet, the sentence looses force in the statement.
Answer: "She hugged him and cried loudly and uncontrollably"