Without being too extravagant you can get by with 5000 to 10000 yen per day on lunch and dinner including transportation/subway/rail. That's about $50.00 to $100.00 in American dollars (minimizing taxi usage). Try to avoid the taxi's because that could cost a small fortune, especially in rush hour.
The popular referendum is a device which allows voters to approve or repeal an act of the Legislature. If the Legislature passes a law that voters do not approve of, they may gather signatures to demand a popular vote on the law.
In just over four months, Congress passed the bill. The Voting Rights Act of 1965 abolished literacy tests and poll taxes designed to disenfranchise African American voters, and gave the federal government the authority to take over voter registration in counties with a pattern of persistent discrimination.