Each president brought his system to the country in their tenure
See the list of past Nigeria president and what they brought to the country .
No 1 : "babangida" created two states akwa ibom and katsina state and he later created another nine states , and he created road safety in 1988.
No 2: "olusegun obasanjo" established EFCC in year 2003 partially to respond to pressure from the financial action task force on money laundering.
No 3 :" Yar adua" it was created in august 2009 ,amnesty program was designed and established to tackle the problems of insecurity and youth restiveness in the Niger delta .
No 4 : "good luck Jonathan" in his tenure they introduced bvn to Nigeria citizens to curb or reduce illegal banking transactions in Nigeria.
No 5 :" Muhammad buhari " is the current president of Nigeria and he implemented the use of TSA , is the initiative operation of unified structure of Government bank account .
who do you think he did well in the past ?