Early in his reign Ivan IV
1. Worked to strengthen the central government
2. Introduced the "Sudebnik" law code to curb judicial corruption and strengthen central government
3. Took steps to strengthen government control over the Church
4. Created "chanceries" - government agencies each dealing with single areas of government
5. Created the "Streltsy" - a permanent force of musketeers
6. Greatly increased the number of elected district judicial officials