Enumerate the methods used by pressure groups to achieve their objectives

• Demonstration /Protest:- Pressure groups can demonstrate or protest against a government
  policy through rioting, hijacking and
  holding people as hostages.  
• Work-to
  rule:- No extra work is done apart from
  the normal working period. 
• Strike:- Pressure groups may refuse to work to back their demand. 
• Boycott:- Sometimes pressure groups refuse to co-operate with the authorities until their demands are met.  
• Special Publication:- This is done either in the press or a booklet is published on their action.  
• Debates
  and symposia/workshop:- These are organised to educate the people on their work and also their stand on some issues. 
• Propaganda /Letters to the Press:- Pressure groups write letters to the press to educate the public and to show their stand on important policies. 
• Lobbying:- This is done through legislators to persuade policy makers when policies are being .made.  
• Presentation of gift:- In west Africa, a common feature of pressure
  group is to present gifts to policy makers to influence them. 
• Alliance:-
  With political parties and candidates who are perceived to be sumpathelic to their
  cause.  
• Sending a delegation:- Pressure groups select some of their members
  to discuss their problems with the government
  or decision makers. 
• Ultimatum