Answer:
The sentence from the story that best supports the idea that the event was of national importance is Papa glanced over toward the crowd. "Why that’s President Arthur himself!" he exclaimed.
Explanation:
It is well known that not all the events throughout the country are going to have the presence of the President, then when in the story "Behold the Brooklyn Bridge" it is mention by the character with total surprise that the President is in the place for the event, he gives it the level of national importance since it was part of the President's agenda.
Magazines is the answer to ur question
Wade preparation for the egg hunt paid him off by offering him a hint about the location of the jade key.
Explanation:
Wade who is the main protagonist in the novel ready player one will train and prepare himself hard and turned into a gunter.
Gunter is nothing but the one who tends to hunt eggs.
Wade used to prepare himself for hunting the eggs without getting caught by his aunt stack. She always used to verbally abuse her nephew along with her boyfriend Rick.
Those preparation finally paid him off when he successfully completes the first gate which further gives him a clue about the location of the jade key.