(AllHipHop News) Hip-Hop star Ludacris has become involved in the largest advertising campaign in U.S. government history as part of the governments $300 million dollar effort to reach African-Americans for the 2010 census. Ludacris is being featured on the Luda On The Block Tour in cities with high concentrations of African-Americans. The rapper visited Dallas and New Orleans and will hit New York (4/5), Washington D.C. (4/6) and Atlanta (4/9) next month.The Grammy Award winning rapper will explain the importance of taking 10 minutes to fill out the 10 questions during the 2010 census. Ludacris believes being accurately counted will ensure various communities receive portions of a $400 billion annual allotment of federal support. “I look at our communities now and I see many empty lots, closed clinics, dilapidated schools and an overall breakdown of social services for the poor and elderly,” Ludacris said in a statement. “Today is a day for change. I plan to knock on doors in various neighborhoods around this country to try and dispel any myths about the Census. Its important that we all stand up and be counted so we can help create potential financial opportunities for our dying communities.”Ludacris is also being featured in the radio/broadcast media advertisement in addition to a viral video campaign.