The correcte answer is: "to emphasize the threat posed by Japan"
Rossevelt asked that it be a short speech that did not exceed five hundred words and focused on the essential message to reach as many Americans as possible: that the United States had been attacked by Japan by surprise and without a previous declaration of war and that the United States was willing to defeat him no matter what it cost.
The word <em>wishing </em>is used as a participle in this case. Although gerunds and participles look the same, they are used in different senses - gerunds generally denote nouns, whereas participles have more of an adverbial meaning.
Answer:
why are the branches 'heavy loaded' in summer?
made of deeds of great valor or requiring superhuman courage.