which attitude toward the first 100 days would you be most likely to take if you were to become the president of the united states? why?

The best attitude to take is a proactive attitude, in order to be able to pass some important legislation during this period.

Explanation:

The reason is that most presidents enjoy above-average approval during the first days of their mandate, and this approval not only translates in a more favorable opinion of citizens, but also in a more positive environment in Congress, in which congress people are more willing to work where the president in order to pass legislation.