The national government uses the state media to show its view of the country without allowing the opposition access to it.
The national government is forcing countless hours of "cadenas", in which national broadcasters are forced to simultaneously retransmit the president’s speeches and other government messages every week. See a report from Reporters without Borders here
The government systematically obstructs the access to Caracas when there are opposition protests planned: military controls stop buses and cars carrying opposition people, they "suddenly" make special "security controls", block roads for construction just at the right moment and so on.
The national government forces public employees who have nothing to do with politics to go to political marches and to military training.