After their attack on Pearl Harbor, what did Japanese leaders do next?

The Japanese tried to gain as much territory as possible. That was the whole point of Pearl Harbor: the U.S. stood in their way of total Pacific conquest. They launched attacks against the Phillippines, Singapore, Malaya, and Hong Kong all in the same day.

d.summerains, the last one

he believed that congress would be better not dealing with "lobbyists", or people who seek to influence (a politician or public official) on an issue, since historically, they had problems with these kinds of people. he thought lobbying produces benefits, but should be carefully monitored.