Answer:
Working for grades means studying just to have good grades or maintain current grades but working to get a good education means studying to have knowledge and maintain the knowledge.
Explanation:
Someone who studies for grades alone tends to forget everything or most of what he or she has read after the exam but someone who studies to have a good education continuously reads to avoid forgetting
President Franklin D. Roosevelt addressed a speech to the U.S Congress in which he mentions "make it very certain that this form of treachery shall never again endanger us."
His speech took place on December 7 in 1941 after Japan attacked the U.S.
With these words, president Roosevelt asked the Congress to declare war on Japan. His main objective was to convince the members of the Congress of the grave danger that Japan represented for the country ,thus, they had the responsibility to counterattack.
I think that if you are talking about Latin it means an incomplete action
'over the summer...' is right